diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index bcf9098bc6..5ec11177a0 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -4004,7 +4004,7 @@
 #endif
 
 /**
- * M115 - Report capabilites. Disable to save ~1150 bytes of flash.
+ * M115 - Report capabilities. Disable to save ~1150 bytes of flash.
  *        Some hosts (and serial TFT displays) rely on this feature.
  */
 #define CAPABILITIES_REPORT
diff --git a/Marlin/src/HAL/DUE/usb/uotghs_device_due.c b/Marlin/src/HAL/DUE/usb/uotghs_device_due.c
index 01dda7e7fe..5635f2ba0c 100644
--- a/Marlin/src/HAL/DUE/usb/uotghs_device_due.c
+++ b/Marlin/src/HAL/DUE/usb/uotghs_device_due.c
@@ -523,7 +523,7 @@ static bool udd_ep_interrupt(void);
  * \internal
  * \brief Function called by UOTGHS interrupt to manage USB Device interrupts
  *
- * USB Device interrupt events are splited in three parts:
+ * USB Device interrupt events are split in three parts:
  * - USB line events (SOF, reset, suspend, resume, wakeup)
  * - control endpoint events (setup reception, end of data transfer, underflow, overflow, stall)
  * - bulk/interrupt/isochronous endpoints events (end of data transfer)
@@ -1567,7 +1567,7 @@ static void udd_ctrl_out_received(void)
 							udd_ctrl_payload_buf_cnt))) {
 		// End of reception because it is a short packet
 		// Before send ZLP, call intermediate callback
-		// in case of data receiv generate a stall
+		// in case of data receive generate a stall
 		udd_g_ctrlreq.payload_size = udd_ctrl_payload_buf_cnt;
 		if (NULL != udd_g_ctrlreq.over_under_run) {
 			if (!udd_g_ctrlreq.over_under_run()) {
@@ -1808,7 +1808,7 @@ static void udd_ep_trans_done(udd_ep_id_t ep)
 	}
 
 	if (ptr_job->buf_cnt != ptr_job->buf_size) {
-		// Need to send or receiv other data
+		// Need to send or receive other data
 		next_trans = ptr_job->buf_size - ptr_job->buf_cnt;
 
 		if (UDD_ENDPOINT_MAX_TRANS < next_trans) {
diff --git a/Marlin/src/HAL/GD32_MFL/sd/SDCard.h b/Marlin/src/HAL/GD32_MFL/sd/SDCard.h
index b03d128dc8..de28c40809 100644
--- a/Marlin/src/HAL/GD32_MFL/sd/SDCard.h
+++ b/Marlin/src/HAL/GD32_MFL/sd/SDCard.h
@@ -73,7 +73,7 @@ public:
   // Interrupt handler
   void handle_interrupts();
 
-  // Varaible stored parameters
+  // Variable stored parameters
   auto get_scr(uint16_t rca, uint32_t* scr) -> SDIO_Error_Type;
   auto store_cid() -> SDIO_Error_Type;
   auto store_csd() -> SDIO_Error_Type;
diff --git a/Marlin/src/HAL/HC32/timers.h b/Marlin/src/HAL/HC32/timers.h
index c0014df604..e5ab3f21f5 100644
--- a/Marlin/src/HAL/HC32/timers.h
+++ b/Marlin/src/HAL/HC32/timers.h
@@ -49,7 +49,7 @@ extern Timer0 step_timer;
  * See https://github.com/MarlinFirmware/Marlin/pull/27099 for more information.
  *
  * NOTE: If the 'constexpr' requirement is ever lifted, TIMER0_BASE_FREQUENCY could
- * be used instead. Tho this would probably not make any noticable difference.
+ * be used instead. Tho this would probably not make any noticeable difference.
  */
 #define HAL_TIMER_RATE F_PCLK1
 
diff --git a/Marlin/src/HAL/RP2040/HAL.cpp b/Marlin/src/HAL/RP2040/HAL.cpp
index f0d9e4eec6..1b519e4004 100644
--- a/Marlin/src/HAL/RP2040/HAL.cpp
+++ b/Marlin/src/HAL/RP2040/HAL.cpp
@@ -112,7 +112,7 @@ void MarlinHAL::reboot() { watchdog_reboot(0, 0, 1); }
 
   void MarlinHAL::watchdog_init() {
     #if DISABLED(DISABLE_WATCHDOG_INIT)
-      static_assert(WDT_TIMEOUT_US > 1000, "WDT Timout is too small, aborting");
+      static_assert(WDT_TIMEOUT_US > 1000, "WDT Timeout is too small, aborting");
       watchdog_enable(WDT_TIMEOUT_US/1000, true);
     #endif
   }
diff --git a/Marlin/src/HAL/SAMD21/timers.cpp b/Marlin/src/HAL/SAMD21/timers.cpp
index b5f1d4f7bd..4ec6e5d867 100644
--- a/Marlin/src/HAL/SAMD21/timers.cpp
+++ b/Marlin/src/HAL/SAMD21/timers.cpp
@@ -176,7 +176,7 @@ void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
     tc->COUNT32.CTRLA.reg |= TC_CTRLA_WAVEGEN_MFRQ;
     //set prescaler
     //the clock normally counts at the GCLK_TC frequency, but we can set it to divide that frequency to slow it down
-    //you can use different prescaler divisons here like TC_CTRLA_PRESCALER_DIV1 to get a different range
+    //you can use different prescaler divisions here like TC_CTRLA_PRESCALER_DIV1 to get a different range
     tc->COUNT32.CTRLA.reg |= TC_CTRLA_PRESCALER_DIV1 | TC_CTRLA_ENABLE; //it will divide GCLK_TC frequency by 1024
     //set the compare-capture register.
     //The counter will count up to this value (it's a 16bit counter so we use uint16_t)
diff --git a/Marlin/src/HAL/STM32/HardwareSerial.cpp b/Marlin/src/HAL/STM32/HardwareSerial.cpp
index d9948d0a34..58360cc31e 100644
--- a/Marlin/src/HAL/STM32/HardwareSerial.cpp
+++ b/Marlin/src/HAL/STM32/HardwareSerial.cpp
@@ -209,7 +209,7 @@ HAL_HardwareSerial::HAL_HardwareSerial(void *peripheral) {
     }
   #endif
 
-  else { // else get the pins of the first peripheral occurence in PinMap
+  else { // else get the pins of the first peripheral occurrence in PinMap
     _serial.pin_rx = pinmap_pin(peripheral, PinMap_UART_RX);
     _serial.pin_tx = pinmap_pin(peripheral, PinMap_UART_TX);
   }
diff --git a/Marlin/src/HAL/STM32F1/HAL.cpp b/Marlin/src/HAL/STM32F1/HAL.cpp
index 70d3414135..fc1680cbf4 100644
--- a/Marlin/src/HAL/STM32F1/HAL.cpp
+++ b/Marlin/src/HAL/STM32F1/HAL.cpp
@@ -131,7 +131,7 @@ uint16_t MarlinHAL::adc_result;
 
 #include <STM32ADC.h>
 
-// Init the AD in continuous capture mode
+// Init the ADC in continuous capture mode
 void MarlinHAL::adc_init() {
   static const uint8_t adc_pins[] = {
     OPTITEM(HAS_TEMP_ADC_0,         TEMP_0_PIN               )
diff --git a/Marlin/src/HAL/shared/backtrace/unwarm.h b/Marlin/src/HAL/shared/backtrace/unwarm.h
index 72ea0b0627..8e432ebe77 100644
--- a/Marlin/src/HAL/shared/backtrace/unwarm.h
+++ b/Marlin/src/HAL/shared/backtrace/unwarm.h
@@ -15,7 +15,7 @@
 
 #include "unwinder.h"
 
-/** The maximum number of instructions to interpet in a function.
+/** The maximum number of instructions to interpret in a function.
  * Unwinding will be unconditionally stopped and UNWIND_EXHAUSTED returned
  * if more than this number of instructions are interpreted in a single
  * function without unwinding a stack frame.  This prevents infinite loops
diff --git a/Marlin/src/MarlinCore.cpp b/Marlin/src/MarlinCore.cpp
index ae10972f5b..175fd0c315 100644
--- a/Marlin/src/MarlinCore.cpp
+++ b/Marlin/src/MarlinCore.cpp
@@ -483,7 +483,7 @@ inline void manage_inactivity(const bool no_stepper_sleep=false) {
     // Check if the kill button was pressed and wait to ensure the signal is not noise
     // typically caused by poor insulation and grounding on LCD cables.
     // Lower numbers here will increase response time and therefore safety rating.
-    // It is recommended to set this as low as possibe without false triggers.
+    // It is recommended to set this as low as possible without false triggers.
     // -------------------------------------------------------------------------------
     #ifndef KILL_DELAY
       #define KILL_DELAY 250
diff --git a/Marlin/src/feature/easythreed_ui.cpp b/Marlin/src/feature/easythreed_ui.cpp
index 8974c5befd..bfa51096f5 100644
--- a/Marlin/src/feature/easythreed_ui.cpp
+++ b/Marlin/src/feature/easythreed_ui.cpp
@@ -131,7 +131,7 @@ void EasythreedUI::loadButton() {
       break;
 
     case FS_PROCEED: {
-      // Feed or Retract just once. Hard abort all moves and return to idle on swicth release.
+      // Feed or Retract just once. Hard abort all moves and return to idle on switch release.
       static bool flag = false;
       if (READ(BTN_RETRACT) && READ(BTN_FEED)) {                    // Switch in center position (stop)
         flag = false;                                               // Restore flag to false
diff --git a/Marlin/src/feature/mmu3/mmu3.cpp b/Marlin/src/feature/mmu3/mmu3.cpp
index 27a1dc05c9..de91916b56 100644
--- a/Marlin/src/feature/mmu3/mmu3.cpp
+++ b/Marlin/src/feature/mmu3/mmu3.cpp
@@ -1162,7 +1162,7 @@ namespace MMU3 {
               //
               // Instead of doing a very long extrude as in PrusaFirmware,
               // Marlin's own MMU2s code has a better approach to this by spinning
-              // the extruder indefinitelly...
+              // the extruder indefinitely...
               //
               // this ensures that while the MMU is pushing the filament,
               // the extruder will keep rotating, preventing the filament to hit
diff --git a/Marlin/src/feature/mmu3/mmu3.h b/Marlin/src/feature/mmu3/mmu3.h
index 3c1088f3e5..968f76a912 100644
--- a/Marlin/src/feature/mmu3/mmu3.h
+++ b/Marlin/src/feature/mmu3/mmu3.h
@@ -115,12 +115,12 @@
     void powerOn();
 
     // Read from a MMU register (See gcode M707)
-    // @param address Address of register in hexidecimal
+    // @param address Address of register in hexadecimal
     // @return true upon success
     bool readRegister(uint8_t address);
 
     // Write from a MMU register (See gcode M708)
-    // @param address Address of register in hexidecimal
+    // @param address Address of register in hexadecimal
     // @param data Data to write to register
     // @return true upon success
     bool writeRegister(uint8_t address, uint16_t data);
@@ -204,7 +204,7 @@
     ErrorCode getLastErrorCode() const { return lastErrorCode; }
 
     // @return the version of the connected MMU FW.
-    // In the future we'll return the trully detected FW version
+    // In the future we'll return the truly detected FW version
     Version getMMUFWVersion() const {
       if (state() == xState::Active) {
         return { logic.mmuFwVersionMajor(), logic.mmuFwVersionMinor(), logic.mmuFwVersionRevision() };
diff --git a/Marlin/src/feature/mmu3/mmu3_error_converter.cpp b/Marlin/src/feature/mmu3/mmu3_error_converter.cpp
index d7fc651fbd..7ed53c0229 100644
--- a/Marlin/src/feature/mmu3/mmu3_error_converter.cpp
+++ b/Marlin/src/feature/mmu3/mmu3_error_converter.cpp
@@ -60,7 +60,7 @@ namespace MMU3 {
     return (i != errorCodesEnd) ? (i - errorCodes) : (errorCodesSize - 1);
   }
 
-  // check that the searching algoritm works
+  // check that the searching algorithm works
   // static_assert( FindErrorIndex(ERR_MECHANICAL_FINDA_DIDNT_TRIGGER) == 0);
   // static_assert( FindErrorIndex(ERR_MECHANICAL_FINDA_FILAMENT_STUCK) == 1);
   // static_assert( FindErrorIndex(ERR_MECHANICAL_FSENSOR_DIDNT_TRIGGER) == 2);
diff --git a/Marlin/src/feature/mmu3/mmu3_fsensor.h b/Marlin/src/feature/mmu3/mmu3_fsensor.h
index bda6bf2a70..0ef4864e9f 100644
--- a/Marlin/src/feature/mmu3/mmu3_fsensor.h
+++ b/Marlin/src/feature/mmu3/mmu3_fsensor.h
@@ -32,7 +32,7 @@
 
 namespace MMU3 {
 
-  // Can be used to block printer's filament sensor handling - to avoid errorneous injecting of M600
+  // Can be used to block printer's filament sensor handling - to avoid erroneous injecting of M600
   // while doing a toolchange with the MMU
   // In case of "no filament sensor" these methods default to an empty implementation
   class FSensorBlockRunout {
diff --git a/Marlin/src/feature/mmu3/mmu3_protocol.h b/Marlin/src/feature/mmu3/mmu3_protocol.h
index 7ec47fd524..f9553b58c8 100644
--- a/Marlin/src/feature/mmu3/mmu3_protocol.h
+++ b/Marlin/src/feature/mmu3/mmu3_protocol.h
@@ -115,7 +115,7 @@ namespace protocol {
 
   // A response message - responses are being sent from the MMU into the printer as a response to a request message.
   struct ResponseMsg {
-    RequestMsg request; //!< response is always preceeded by the request message
+    RequestMsg request; //!< response is always preceded by the request message
     ResponseMsgParamCodes paramCode; //!< code of the parameter
     uint16_t paramValue; //!< value of the parameter
 
@@ -157,7 +157,7 @@ namespace protocol {
 
   // Protocol class is responsible for creating/decoding messages in Rx/Tx buffer
   //
-  // Beware - in the decoding more, it is meant to be a statefull instance which works through public methods
+  // Beware - in the decoding more, it is meant to be a stateful instance which works through public methods
   // processing one input byte per call.
   class Protocol {
   public:
@@ -186,11 +186,11 @@ namespace protocol {
     static uint8_t EncodeWriteRequest(uint8_t address, uint16_t value, uint8_t *txbuff);
 
     // @return the maximum byte length necessary to encode a request message
-    // Beneficial in case of pre-allocating a buffer for enconding a RequestMsg.
+    // Beneficial in case of pre-allocating a buffer for encoding a RequestMsg.
     static constexpr uint8_t MaxRequestSize() { return 13; }
 
     // @return the maximum byte length necessary to encode a response message
-    // Beneficial in case of pre-allocating a buffer for enconding a ResponseMsg.
+    // Beneficial in case of pre-allocating a buffer for encoding a ResponseMsg.
     static constexpr uint8_t MaxResponseSize() { return 14; }
 
     // Encode generic response Command Accepted or Rejected
diff --git a/Marlin/src/feature/mmu3/mmu3_reporting.cpp b/Marlin/src/feature/mmu3/mmu3_reporting.cpp
index 4bf2088d27..426aa4d825 100644
--- a/Marlin/src/feature/mmu3/mmu3_reporting.cpp
+++ b/Marlin/src/feature/mmu3/mmu3_reporting.cpp
@@ -449,7 +449,7 @@ namespace MMU3 {
 
     const uint8_t ei = PrusaErrorCodeIndex((ErrorCode)ec);
 
-    // This should be the equivelent of the switch..case above...
+    // This should be the equivalent of the switch..case above...
     if ((uint8_t)ReportErrorHookState == (uint8_t)ReportErrorHookStates::RENDER_ERROR_SCREEN) {
       KEEPALIVE_STATE(PAUSED_FOR_USER);
       #if HAS_WIRED_LCD
diff --git a/Marlin/src/feature/mmu3/mmu_hw/error_codes.h b/Marlin/src/feature/mmu3/mmu_hw/error_codes.h
index cc583efbe6..b0bc36e206 100644
--- a/Marlin/src/feature/mmu3/mmu_hw/error_codes.h
+++ b/Marlin/src/feature/mmu3/mmu_hw/error_codes.h
@@ -33,7 +33,7 @@
  * therefore the error codes have been extracted to one place.
  *
  * Please note the errors are intentionally coded as "negative" values (highest bit set),
- * becase they are a complement to reporting the state of the high-level state machines -
+ * because they are a complement to reporting the state of the high-level state machines -
  * positive values are considered as normal progress, negative values are errors.
  *
  * Please note, that multiple TMC errors can occur at once, thus they are defined as a bitmask of the higher byte.
diff --git a/Marlin/src/feature/mmu3/mmu_hw/errors_list.h b/Marlin/src/feature/mmu3/mmu_hw/errors_list.h
index c4965791e6..7fb93b0771 100644
--- a/Marlin/src/feature/mmu3/mmu_hw/errors_list.h
+++ b/Marlin/src/feature/mmu3/mmu_hw/errors_list.h
@@ -114,7 +114,7 @@ typedef enum : uint16_t {
 } err_num_t;
 
 // Avr gcc has serious trouble understanding static data structures in PROGMEM
-// and inadvertedly falls back to copying the whole structure into RAM (which is obviously unwanted).
+// and inadvertently falls back to copying the whole structure into RAM (which is obviously unwanted).
 // But since this file ought to be generated in the future from yaml prescription,
 // it really makes no difference if there are "nice" data structures or plain arrays.
 static const constexpr err_num_t errorCodes[] PROGMEM = {
diff --git a/Marlin/src/feature/tmc_util.cpp b/Marlin/src/feature/tmc_util.cpp
index 5a3c1752d3..379ba8d0bf 100644
--- a/Marlin/src/feature/tmc_util.cpp
+++ b/Marlin/src/feature/tmc_util.cpp
@@ -1013,7 +1013,7 @@
       TMC_REPORT("Supply (v)",       TMC_VSUPPLY);
       TMC_REPORT("Temp (°C)",        TMC_TEMP);
       TMC_REPORT("OT pre warn (°C)", TMC_OVERTEMP);
-      TMC_REPORT("OV theshold (v)",  TMC_OVERVOLT_THD);
+      TMC_REPORT("OV threshold (v)", TMC_OVERVOLT_THD);
     #endif
     SERIAL_EOL();
   }
diff --git a/Marlin/src/gcode/feature/prusa_MMU2/M704-M709.cpp b/Marlin/src/gcode/feature/prusa_MMU2/M704-M709.cpp
index ef248902fd..5ec0067a08 100644
--- a/Marlin/src/gcode/feature/prusa_MMU2/M704-M709.cpp
+++ b/Marlin/src/gcode/feature/prusa_MMU2/M704-M709.cpp
@@ -94,7 +94,7 @@ void GcodeSuite::M706() {
  *   M707 [ A ]
  *
  * Parameters:
- *   A<hex>  Address of register in hexidecimal
+ *   A<hex>  Address of register in hexadecimal
  *
  * Example:
  *   M707 A0x1b - Read a 8bit integer from register 0x1b and prints the result onto the serial line.
@@ -115,7 +115,7 @@ void GcodeSuite::M707() {
  *   M708 [ A | X ]
  *
  * Parameters:
- *   A<hex>  Address of register in hexidecimal
+ *   A<hex>  Address of register in hexadecimal
  *   X<int>  Data to write (16-bit integer). Default value 0
  *
  * Example:
diff --git a/Marlin/src/gcode/motion/G2_G3.cpp b/Marlin/src/gcode/motion/G2_G3.cpp
index c3c2758af4..e8051d2c2a 100644
--- a/Marlin/src/gcode/motion/G2_G3.cpp
+++ b/Marlin/src/gcode/motion/G2_G3.cpp
@@ -309,7 +309,7 @@ void plan_arc(
     // a) is <= any configured maximum speed,
     // b) does not require centripetal force greater than any configured maximum acceleration,
     // c) is <= nominal speed,
-    // d) allows the print head to stop in the remining length of the curve within all configured maximum accelerations.
+    // d) allows the print head to stop in the remaining length of the curve within all configured maximum accelerations.
     // The last has to be calculated every time through the loop.
     const float limiting_accel = _MIN(planner.settings.max_acceleration_mm_per_s2[axis_p], planner.settings.max_acceleration_mm_per_s2[axis_q]),
                 limiting_speed = _MIN(planner.settings.max_feedrate_mm_s[axis_p], planner.settings.max_feedrate_mm_s[axis_q]),
diff --git a/Marlin/src/gcode/temp/M306.cpp b/Marlin/src/gcode/temp/M306.cpp
index e0c9d935e3..b3f5b6b97b 100644
--- a/Marlin/src/gcode/temp/M306.cpp
+++ b/Marlin/src/gcode/temp/M306.cpp
@@ -39,7 +39,7 @@
  *  F<watts/kelvin>           Ambient heat transfer coefficient (fan on full).
  *  H<joules/kelvin/mm>       Filament heat capacity per mm.
  *  P<watts>                  Heater power.
- *  R<kelvin/second/kelvin>   Sensor responsiveness (= transfer coefficient / heat capcity).
+ *  R<kelvin/second/kelvin>   Sensor responsiveness (= transfer coefficient / heat capacity).
  *
  *  With MPC_AUTOTUNE:
  *  T                         Autotune the extruder specified with 'E' or the active extruder.
@@ -65,7 +65,7 @@ void GcodeSuite::M306() {
         default: tuning_type = Temperature::MPCTuningType::AUTO; break;
       }
       if (TERN0(MPC_PTC, tuning_type == Temperature::MPCTuningType::FORCE_ASYMPTOTIC))
-        SERIAL_ECHOLNPGM("Aymptotic tuning not avaiable for PTC hotends");
+        SERIAL_ECHOLNPGM("Asymptotic tuning not available for PTC hotends");
       else {
         LCD_MESSAGE(MSG_MPC_AUTOTUNE);
         thermalManager.MPC_autotune(e, tuning_type);
diff --git a/Marlin/src/lcd/e3v2/proui/menus.h b/Marlin/src/lcd/e3v2/proui/menus.h
index d1f5cdb698..1d3a394710 100644
--- a/Marlin/src/lcd/e3v2/proui/menus.h
+++ b/Marlin/src/lcd/e3v2/proui/menus.h
@@ -37,14 +37,14 @@
 #endif
 
 typedef struct {
-  int32_t maxValue     = 0;        // Auxiliar max integer/scaled float value
-  int32_t minValue     = 0;        // Auxiliar min integer/scaled float value
-  int8_t dp            = 0;        // Auxiliar decimal places
-  int32_t value        = 0;        // Auxiliar integer / scaled float value
-  int16_t *intPtr      = nullptr;  // Auxiliar pointer to 16 bit integer variable
-  float *floatPtr      = nullptr;  // Auxiliar pointer to float variable
-  void (*apply)()      = nullptr;  // Auxiliar apply function
-  void (*liveUpdate)() = nullptr;  // Auxiliar live update function
+  int32_t maxValue     = 0;        // Auxiliary max integer/scaled float value
+  int32_t minValue     = 0;        // Auxiliary min integer/scaled float value
+  int8_t dp            = 0;        // Auxiliary decimal places
+  int32_t value        = 0;        // Auxiliary integer / scaled float value
+  int16_t *intPtr      = nullptr;  // Auxiliary pointer to 16 bit integer variable
+  float *floatPtr      = nullptr;  // Auxiliary pointer to float variable
+  void (*apply)()      = nullptr;  // Auxiliary apply function
+  void (*liveUpdate)() = nullptr;  // Auxiliary live update function
 } MenuData_t;
 
 extern MenuData_t menuData;
diff --git a/Marlin/src/lcd/extui/anycubic_chiron/FileNavigator.cpp b/Marlin/src/lcd/extui/anycubic_chiron/FileNavigator.cpp
index ffc485a3dc..5cbeb193e0 100644
--- a/Marlin/src/lcd/extui/anycubic_chiron/FileNavigator.cpp
+++ b/Marlin/src/lcd/extui/anycubic_chiron/FileNavigator.cpp
@@ -28,7 +28,7 @@
  *  (not affiliated with Anycubic, Ltd.)
  *
  * The AC panel wants files in block of 4 and can only display a flat list
- * This library allows full folder traversal or flat file display and supports both standerd and new style panels.
+ * This library allows full folder traversal or flat file display and supports both standard and new style panels.
  *
  * ## Old Style TFT panel
  * Supported chars     {}[]-+=_"$%^&*()~<>|
diff --git a/Marlin/src/lcd/extui/anycubic_vyper/dgus_tft.cpp b/Marlin/src/lcd/extui/anycubic_vyper/dgus_tft.cpp
index 696cfad684..af5e20d3a1 100644
--- a/Marlin/src/lcd/extui/anycubic_vyper/dgus_tft.cpp
+++ b/Marlin/src/lcd/extui/anycubic_vyper/dgus_tft.cpp
@@ -496,7 +496,7 @@ namespace Anycubic {
       #endif
       case AC_printer_printing:
       case AC_printer_paused:
-        // Heater timout, send acknowledgement
+        // Heater timeout, send acknowledgement
         if (strcmp_P(msg, MARLIN_msg_heater_timeout) == 0) {
           pause_state = AC_paused_heater_timed_out;
           tftSendLn(AC_msg_paused); // enable continue button
diff --git a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/generic/move_axis_screen.cpp b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/generic/move_axis_screen.cpp
index bbb1d33098..6ed557ba09 100644
--- a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/generic/move_axis_screen.cpp
+++ b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/generic/move_axis_screen.cpp
@@ -75,7 +75,7 @@ void MoveAxisScreen::onRedraw(draw_mode_t what) {
   #endif
   w.increments();
   #ifdef PARKING_COMMAND_GCODE
-    if (!ExtUI::isPrinting()) { // making sure the Tool Head Swap Position is not avalible while printing
+    if (!ExtUI::isPrinting()) { // making sure the Tool Head Swap Position is not available while printing
       cmd.font(font_medium)
         .colors(normal_btn)
         .tag(25).button(BTN_POS(1,(7+EXTRUDERS)), BTN_SIZE(13,1), GET_TEXT_F(MSG_TOOL_HEAD_SWAP));
diff --git a/Marlin/src/lcd/menu/menu_x_twist.cpp b/Marlin/src/lcd/menu/menu_x_twist.cpp
index a9998e3e44..8ee261cc97 100644
--- a/Marlin/src/lcd/menu/menu_x_twist.cpp
+++ b/Marlin/src/lcd/menu/menu_x_twist.cpp
@@ -159,7 +159,7 @@ void xatc_wizard_goto_next_point() {
     z_offset /= XATC_MAX_POINTS;
 
     // Subtract the average from the values found with this wizard.
-    // This way they are indipendent from the z-offset
+    // This way they are independent from the z-offset
     for (uint8_t i = 0; i < XATC_MAX_POINTS; ++i) xatc.z_offset[i] -= z_offset;
 
     ui.goto_screen(xatc_wizard_update_z_offset);
diff --git a/Marlin/src/lcd/tft/canvas.cpp b/Marlin/src/lcd/tft/canvas.cpp
index 2486179ce3..d10ca626ec 100644
--- a/Marlin/src/lcd/tft/canvas.cpp
+++ b/Marlin/src/lcd/tft/canvas.cpp
@@ -162,7 +162,7 @@ void Canvas::addImage(int16_t x, int16_t y, MarlinImage image, uint16_t *colors)
           rle_state.dsty = dsty;
           rle_state.srcx = srcx;
           rle_state.srcy = srcy;
-          rle_state.rle_offset = bytedata - (uint8_t *)images[image].data;; // Keep these for skipping full RLE decode on future iteratons
+          rle_state.rle_offset = bytedata - (uint8_t *)images[image].data;; // Keep these for skipping full RLE decode on future iterations
         }
 
         uint8_t count = *bytedata++;                // Get the count byte
diff --git a/Marlin/src/lcd/tft/tft_string.cpp b/Marlin/src/lcd/tft/tft_string.cpp
index edf326cb97..d390ad64f3 100644
--- a/Marlin/src/lcd/tft/tft_string.cpp
+++ b/Marlin/src/lcd/tft/tft_string.cpp
@@ -122,7 +122,7 @@ void TFT_String::add_glyphs(const uint8_t *font) {
 }
 
 glyph_t *TFT_String::glyph(uint16_t character) {
-  if (character == 0x2026) character = 0x0a;  /* character 0x2026 "…" is remaped to 0x0a and should be part of symbols font */
+  if (character == 0x2026) character = 0x0a;  /* character 0x2026 "…" is remapped to 0x0a and should be part of symbols font */
   if (character < 0x00ff) return glyphs[character] ?: glyphs['?'];    /* Use '?' for unknown glyphs */
 
   #if EXTRA_GLYPHS
diff --git a/Marlin/src/module/planner.cpp b/Marlin/src/module/planner.cpp
index 156ab142f9..d9f2e86a90 100644
--- a/Marlin/src/module/planner.cpp
+++ b/Marlin/src/module/planner.cpp
@@ -142,7 +142,7 @@ planner_settings_t Planner::settings;           // Initialized by settings.load
 
 /**
  * Set up inline block variables
- * Set laser_power_floor based on SPEED_POWER_MIN to pevent a zero power output state with LASER_POWER_TRAP
+ * Set laser_power_floor based on SPEED_POWER_MIN to prevent a zero power output state with LASER_POWER_TRAP
  */
 #if ENABLED(LASER_FEATURE)
   laser_state_t Planner::laser_inline;          // Current state for blocks
@@ -2507,7 +2507,7 @@ bool Planner::_populate_block(
      * Compute maximum allowable entry speed at junction by centripetal acceleration approximation.
      * Let a circle be tangent to both previous and current path line segments, where the junction
      * deviation is defined as the distance from the junction to the closest edge of the circle,
-     * colinear with the circle center. The circular segment joining the two paths represents the
+     * collinear with the circle center. The circular segment joining the two paths represents the
      * path of centripetal acceleration. Solve for max velocity based on max acceleration about the
      * radius of the circle, defined indirectly by junction deviation. This may be also viewed as
      * path width or max_jerk in the previous Grbl version. This approach does not actually deviate
@@ -3191,7 +3191,7 @@ void Planner::set_machine_position_mm(const abce_pos_t &abce) {
 
 /**
  * Set the machine positions in millimeters (soon) given the native position.
- * Synchonized with the planner queue.
+ * Synchronized with the planner queue.
  *
  *   - Modifiers are applied for skew, leveling, retract, etc.
  *   - Kinematics are applied to remap cartesian positions to stepper positions.
diff --git a/Marlin/src/module/planner_bezier.cpp b/Marlin/src/module/planner_bezier.cpp
index a3f98435d0..7789b616b8 100644
--- a/Marlin/src/module/planner_bezier.cpp
+++ b/Marlin/src/module/planner_bezier.cpp
@@ -49,7 +49,7 @@ static inline float interp(const_float_t a, const_float_t b, const_float_t t) {
  * Compute a Bézier curve using the De Casteljau's algorithm (see
  * https://en.wikipedia.org/wiki/De_Casteljau%27s_algorithm), which is
  * easy to code and has good numerical stability (very important,
- * since Arudino works with limited precision real numbers).
+ * since Arduino works with limited precision real numbers).
  */
 static inline float eval_bezier(const_float_t a, const_float_t b, const_float_t c, const_float_t d, const_float_t t) {
   const float iab = interp(a, b, t),
diff --git a/Marlin/src/module/stepper.cpp b/Marlin/src/module/stepper.cpp
index ad83329f05..8ad79aad1b 100644
--- a/Marlin/src/module/stepper.cpp
+++ b/Marlin/src/module/stepper.cpp
@@ -2474,7 +2474,7 @@ hal_timer_t Stepper::block_phase_isr() {
          *  isPowered - True when a move is powered.
          *  isEnabled - laser power is active.
          *
-         * Laser power variables are calulated and stored in this block by the planner code.
+         * Laser power variables are calculated and stored in this block by the planner code.
          *  trap_ramp_active_pwr - the active power in this block across accel or decel trap steps.
          *  trap_ramp_entry_incr - holds the precalculated value to increase the current power per accel step.
          */
diff --git a/Marlin/src/module/stepper/cycles.h b/Marlin/src/module/stepper/cycles.h
index b01d199cd8..fa76f60127 100644
--- a/Marlin/src/module/stepper/cycles.h
+++ b/Marlin/src/module/stepper/cycles.h
@@ -38,7 +38,7 @@
    * ...as measured on an LPC1768 with a scope and converted to cycles.
    * Not applicable to other 32-bit processors, but as long as others
    * take longer, pulses will be longer. For example the SKR Pro
-   * (stm32f407zgt6) requires ~60 cyles.
+   * (stm32f407zgt6) requires ~60 cycles.
    */
   constexpr uint32_t timer_read_add_and_store_cycles = 34UL;
 
diff --git a/Marlin/src/module/stepper/indirection.h b/Marlin/src/module/stepper/indirection.h
index 19594df66c..05adff7a4e 100644
--- a/Marlin/src/module/stepper/indirection.h
+++ b/Marlin/src/module/stepper/indirection.h
@@ -53,7 +53,7 @@
  *    Q_STEP_INIT()     Q_STEP_WRITE(S)     Q_STEP_READ()
  *
  *  Steppers may not have an enable state or may be enabled by other methods
- *  beyond a single pin (SOFTWARE_DRIVER_ENABLE) so these can be overriden:
+ *  beyond a single pin (SOFTWARE_DRIVER_ENABLE) so these can be overridden:
  *    ENABLE_STEPPER_Q() DISABLE_STEPPER_Q()
  *
  * Axis Stepper Control (X Y Z I J K U V W)
diff --git a/Marlin/src/module/thermistor/thermistor_61.h b/Marlin/src/module/thermistor/thermistor_61.h
index 2916bffd3b..5a82341a19 100644
--- a/Marlin/src/module/thermistor/thermistor_61.h
+++ b/Marlin/src/module/thermistor/thermistor_61.h
@@ -31,7 +31,7 @@
 // B Value             3950K at 25/50 deg. C
 // B Value Tolerance         + / - 1%
 constexpr temp_entry_t temptable_61[] PROGMEM = {
-  { OV(   2.00), 420 }, // Guestimate to ensure we don't lose a reading and drop temps to -50 when over
+  { OV(   2.00), 420 }, // Guesstimate to ensure we don't lose a reading and drop temps to -50 when over
   { OV(  12.07), 350 },
   { OV(  12.79), 345 },
   { OV(  13.59), 340 },
diff --git a/Marlin/src/pins/stm32g0/pins_BTT_EBB42_V1_1.h b/Marlin/src/pins/stm32g0/pins_BTT_EBB42_V1_1.h
index 1b5aad04e1..f452fc1ebd 100644
--- a/Marlin/src/pins/stm32g0/pins_BTT_EBB42_V1_1.h
+++ b/Marlin/src/pins/stm32g0/pins_BTT_EBB42_V1_1.h
@@ -93,7 +93,7 @@
    */
   //#define E0_HARDWARE_SERIAL MSerial4
 
-  // This is the stable default value after testing, but, higher UART rates could be configured, remeber to test the Steppers with the M122 command to check if everything works.
+  // This is the stable default value after testing, but, higher UART rates could be configured, remember to test the Steppers with the M122 command to check if everything works.
   //#define TMC_BAUD_RATE 250000
 
   #define E0_SERIAL_TX_PIN                  PA15
diff --git a/docs/Cutter.md b/docs/Cutter.md
index 932e8cd043..ace957210a 100644
--- a/docs/Cutter.md
+++ b/docs/Cutter.md
@@ -92,7 +92,7 @@ Once the entry and exit power values are determined, the values are divided into
     trap step power incr_decr = ( cruize power - entry_exit ) / accel_decel_steps
 
 The trap steps are incremented or decremented during each accel or decel step until the block is complete.
-Step power is either cumulatively added or subtracted during trapeziod ramp progressions.
+Step power is either cumulatively added or subtracted during trapezoid ramp progressions.
 
 #### Planner Code: