diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index edc36914c..9e1d533f2 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -1848,7 +1848,7 @@ static void setup_for_endstop_move() {
       float zpos = current_position[Z_AXIS], z_dest = Z_RAISE_BEFORE_PROBING;
       // The zprobe_zoffset is negative any switch below the nozzle, so
       // multiply by Z_HOME_DIR (-1) to move enough away from bed for the probe
-      z_dest += axis_known_position[Z_AXIS] ? zprobe_zoffset * Z_HOME_DIR : zpos;
+      z_dest += axis_homed[Z_AXIS] ? zprobe_zoffset * Z_HOME_DIR : zpos;
       if (zpos < z_dest) do_blocking_move_to_z(z_dest); // also updates current_position
     }
 
@@ -1856,10 +1856,10 @@ static void setup_for_endstop_move() {
 
 #endif // AUTO_BED_LEVELING_FEATURE
 
-static void unknown_position_error() {
-  LCD_MESSAGEPGM(MSG_POSITION_UNKNOWN);
+static void axis_unhomed_error() {
+  LCD_MESSAGEPGM(MSG_YX_UNHOMED);
   SERIAL_ECHO_START;
-  SERIAL_ECHOLNPGM(MSG_POSITION_UNKNOWN);
+  SERIAL_ECHOLNPGM(MSG_YX_UNHOMED);
 }
 
 #if ENABLED(Z_PROBE_SLED)
@@ -1884,8 +1884,8 @@ static void unknown_position_error() {
 
     if (z_probe_is_active == dock) return;
 
-    if (!axis_known_position[X_AXIS] || !axis_known_position[Y_AXIS]) {
-      unknown_position_error();
+    if (!axis_homed[X_AXIS] || !axis_homed[Y_AXIS]) {
+      axis_unhomed_error();
       return;
     }
 
@@ -2616,7 +2616,7 @@ inline void gcode_G28() {
           else if (homeZ) { // Don't need to Home Z twice
 
             // Let's see if X and Y are homed
-            if (axis_known_position[X_AXIS] && axis_known_position[Y_AXIS]) {
+            if (axis_homed[X_AXIS] && axis_homed[Y_AXIS]) {
 
               // Make sure the Z probe is within the physical limits
               // NOTE: This doesn't necessarily ensure the Z probe is also within the bed!
@@ -2636,7 +2636,7 @@ inline void gcode_G28() {
               }
             }
             else {
-              unknown_position_error();
+              axis_unhomed_error();
             }
 
           } // !home_all_axes && homeZ
@@ -2908,8 +2908,8 @@ inline void gcode_G28() {
     #endif
 
     // Don't allow auto-leveling without homing first
-    if (!axis_known_position[X_AXIS] || !axis_known_position[Y_AXIS]) {
-      unknown_position_error();
+    if (!axis_homed[X_AXIS] || !axis_homed[Y_AXIS]) {
+      axis_unhomed_error();
       return;
     }
 
@@ -3711,8 +3711,8 @@ inline void gcode_M42() {
    */
   inline void gcode_M48() {
 
-    if (!axis_known_position[X_AXIS] || !axis_known_position[Y_AXIS] || !axis_known_position[Z_AXIS]) {
-      unknown_position_error();
+    if (!axis_homed[X_AXIS] || !axis_homed[Y_AXIS] || !axis_homed[Z_AXIS]) {
+      axis_unhomed_error();
       return;
     }
 
@@ -5431,7 +5431,7 @@ inline void gcode_M428() {
   memcpy(new_pos, current_position, sizeof(new_pos));
   memcpy(new_offs, home_offset, sizeof(new_offs));
   for (int8_t i = X_AXIS; i <= Z_AXIS; i++) {
-    if (axis_known_position[i]) {
+    if (axis_homed[i]) {
       float base = (new_pos[i] > (min_pos[i] + max_pos[i]) / 2) ? base_home_pos(i) : 0,
             diff = new_pos[i] - base;
       if (diff > -20 && diff < 20) {
diff --git a/Marlin/language_an.h b/Marlin/language_an.h
index ab93671dc..59678c0e3 100644
--- a/Marlin/language_an.h
+++ b/Marlin/language_an.h
@@ -138,7 +138,7 @@
 #define MSG_INIT_SDCARD                     "Encetan. tarcheta"
 #define MSG_CNG_SDCARD                      "Cambiar tarcheta"
 #define MSG_ZPROBE_OUT                      "Z probe out. bed"
-#define MSG_POSITION_UNKNOWN                "Home X/Y before Z"
+#define MSG_YX_UNHOMED                      "Home X/Y before Z"
 #define MSG_ZPROBE_ZOFFSET                  "Z Offset"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_bg.h b/Marlin/language_bg.h
index c6007dba3..f13b46e9a 100644
--- a/Marlin/language_bg.h
+++ b/Marlin/language_bg.h
@@ -139,7 +139,7 @@
 #define MSG_INIT_SDCARD                     "Иниц. SD-Карта"
 #define MSG_CNG_SDCARD                      "Смяна SD-Карта"
 #define MSG_ZPROBE_OUT                      "Z-сондата е извадена"
-#define MSG_POSITION_UNKNOWN                "Задайте X/Y преди Z"
+#define MSG_YX_UNHOMED                      "Задайте X/Y преди Z"
 #define MSG_ZPROBE_ZOFFSET                  "Z Отстояние"
 #define MSG_BABYSTEP_X                      "Министъпка X"
 #define MSG_BABYSTEP_Y                      "Министъпка Y"
diff --git a/Marlin/language_ca.h b/Marlin/language_ca.h
index f08e29e32..248af1f67 100644
--- a/Marlin/language_ca.h
+++ b/Marlin/language_ca.h
@@ -139,7 +139,7 @@
 #define MSG_INIT_SDCARD                     "Iniciant SD"
 #define MSG_CNG_SDCARD                      "Canviar SD"
 #define MSG_ZPROBE_OUT                      "Z probe out. bed"
-#define MSG_POSITION_UNKNOWN                "Home X/Y abans Z"
+#define MSG_YX_UNHOMED                      "Home X/Y abans Z"
 #define MSG_ZPROBE_ZOFFSET                  "Z Offset"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_cn.h b/Marlin/language_cn.h
index e6a0ccf0a..0e4589fda 100644
--- a/Marlin/language_cn.h
+++ b/Marlin/language_cn.h
@@ -138,7 +138,7 @@
 #define MSG_INIT_SDCARD                     "Init. SD card"
 #define MSG_CNG_SDCARD                      "Change SD card"
 #define MSG_ZPROBE_OUT                      "Z probe out. bed"
-#define MSG_POSITION_UNKNOWN                "Home X/Y before Z"
+#define MSG_YX_UNHOMED                      "Home X/Y before Z"
 #define MSG_ZPROBE_ZOFFSET                  "Z Offset"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_cz.h b/Marlin/language_cz.h
index 6555aa01e..d916b6f6e 100644
--- a/Marlin/language_cz.h
+++ b/Marlin/language_cz.h
@@ -144,7 +144,7 @@
 #define MSG_INIT_SDCARD                     "Nacist SD kartu"
 #define MSG_CNG_SDCARD                      "Vymenit SD kartu"
 #define MSG_ZPROBE_OUT                      "Sonda Z mimo podl"
-#define MSG_POSITION_UNKNOWN                "Domu X/Y pred Z"
+#define MSG_YX_UNHOMED                      "Domu X/Y pred Z"
 #define MSG_ZPROBE_ZOFFSET                  "Z ofset"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_da.h b/Marlin/language_da.h
index e47fd1c8f..e05eb6433 100644
--- a/Marlin/language_da.h
+++ b/Marlin/language_da.h
@@ -140,7 +140,7 @@
 #define MSG_FILAMENTCHANGE                  "Skift filament"
 #define MSG_INIT_SDCARD                     "Init. SD card"
 #define MSG_CNG_SDCARD                      "Skift SD kort"
-#define MSG_POSITION_UNKNOWN                "Home X/Y før Z"
+#define MSG_YX_UNHOMED                      "Home X/Y før Z"
 #define MSG_ZPROBE_ZOFFSET                  "Z Offset"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_de.h b/Marlin/language_de.h
index 3d791e2d3..0f8298b5b 100644
--- a/Marlin/language_de.h
+++ b/Marlin/language_de.h
@@ -137,7 +137,7 @@
 #define MSG_INIT_SDCARD                     "SDKarte erkennen"// Manually initialize the SD-card via user interface
 #define MSG_CNG_SDCARD                      "SDKarte erkennen"// SD-card changed by user. For machines with no autocarddetect. Both send "M21"
 #define MSG_ZPROBE_OUT                      "Sensor ausserhalb"
-#define MSG_POSITION_UNKNOWN                "X/Y vor Z homen."
+#define MSG_YX_UNHOMED                      "X/Y vor Z homen."
 #define MSG_ZPROBE_ZOFFSET                  "Z Offset"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_en.h b/Marlin/language_en.h
index b4eb6d5cd..b08f73ebf 100644
--- a/Marlin/language_en.h
+++ b/Marlin/language_en.h
@@ -415,8 +415,8 @@
 #ifndef MSG_ZPROBE_OUT
   #define MSG_ZPROBE_OUT                      "Z probe out. bed"
 #endif
-#ifndef MSG_POSITION_UNKNOWN
-  #define MSG_POSITION_UNKNOWN                "Home X/Y before Z"
+#ifndef MSG_YX_UNHOMED
+  #define MSG_YX_UNHOMED                      "Home X/Y before Z"
 #endif
 #ifndef MSG_ZPROBE_ZOFFSET
   #define MSG_ZPROBE_ZOFFSET                  "Z Offset"
diff --git a/Marlin/language_es.h b/Marlin/language_es.h
index a8c4fc803..54351176f 100644
--- a/Marlin/language_es.h
+++ b/Marlin/language_es.h
@@ -139,7 +139,7 @@
 #define MSG_INIT_SDCARD                     "Iniciando tarjeta"
 #define MSG_CNG_SDCARD                      "Cambiar tarjeta"
 #define MSG_ZPROBE_OUT                      "Sonda Z fuera"
-#define MSG_POSITION_UNKNOWN                "Reiniciar X/Y y Z"
+#define MSG_YX_UNHOMED                      "Reiniciar X/Y y Z"
 #define MSG_ZPROBE_ZOFFSET                  "Offset Z"
 #define MSG_BABYSTEP_X                      "Micropaso X"
 #define MSG_BABYSTEP_Y                      "Micropaso Y"
diff --git a/Marlin/language_eu.h b/Marlin/language_eu.h
index 28e0e0c03..19ed22581 100644
--- a/Marlin/language_eu.h
+++ b/Marlin/language_eu.h
@@ -138,7 +138,7 @@
 #define MSG_INIT_SDCARD                     "Hasieratu txartela"
 #define MSG_CNG_SDCARD                      "Aldatu txartela"
 #define MSG_ZPROBE_OUT                      "Z ohe hasiera"
-#define MSG_POSITION_UNKNOWN                "Posizio ezezaguna"
+#define MSG_YX_UNHOMED                      "Posizio ezezaguna"
 #define MSG_ZPROBE_ZOFFSET                  "Z konpentsatu"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_fi.h b/Marlin/language_fi.h
index b6f7de6fd..73aba64fe 100644
--- a/Marlin/language_fi.h
+++ b/Marlin/language_fi.h
@@ -138,7 +138,7 @@
 #define MSG_INIT_SDCARD                     "Init. SD-Card"
 #define MSG_CNG_SDCARD                      "Change SD-Card"
 #define MSG_ZPROBE_OUT                      "Z probe out. bed"
-#define MSG_POSITION_UNKNOWN                "Home X/Y before Z"
+#define MSG_YX_UNHOMED                      "Home X/Y before Z"
 #define MSG_ZPROBE_ZOFFSET                  "Z Offset"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_fr.h b/Marlin/language_fr.h
index 11aaf9575..3524c05ee 100644
--- a/Marlin/language_fr.h
+++ b/Marlin/language_fr.h
@@ -140,7 +140,7 @@
 #define MSG_INIT_SDCARD                     "Init. la carte SD"
 #define MSG_CNG_SDCARD                      "Changer de carte"
 #define MSG_ZPROBE_OUT                      "Z sonde exte. lit"
-#define MSG_POSITION_UNKNOWN                "Rev. dans XY av.Z"
+#define MSG_YX_UNHOMED                      "Rev. dans XY av.Z"
 #define MSG_ZPROBE_ZOFFSET                  "Offset Z"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_gl.h b/Marlin/language_gl.h
index 2a1593530..11f21ac0e 100644
--- a/Marlin/language_gl.h
+++ b/Marlin/language_gl.h
@@ -142,7 +142,7 @@
 #define MSG_INIT_SDCARD                     "Iniciando SD"
 #define MSG_CNG_SDCARD                      "Cambiar SD"
 #define MSG_ZPROBE_OUT                      "Sonda-Z sen cama"
-#define MSG_POSITION_UNKNOWN                "X/Y antes que Z"
+#define MSG_YX_UNHOMED                      "X/Y antes que Z"
 #define MSG_ZPROBE_ZOFFSET                  "Offset Z"
 #define MSG_BABYSTEP_X                      "Micropaso X"
 #define MSG_BABYSTEP_Y                      "Micropaso Y"
diff --git a/Marlin/language_it.h b/Marlin/language_it.h
index 23ad7c6c5..32526cba1 100644
--- a/Marlin/language_it.h
+++ b/Marlin/language_it.h
@@ -139,7 +139,7 @@
 #define MSG_INIT_SDCARD                     "Iniz. SD-Card"
 #define MSG_CNG_SDCARD                      "Cambia SD-Card"
 #define MSG_ZPROBE_OUT                      "Z probe out. bed"
-#define MSG_POSITION_UNKNOWN                "Home X/Y before Z"
+#define MSG_YX_UNHOMED                      "Home X/Y before Z"
 #define MSG_ZPROBE_ZOFFSET                  "Z Offset"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_kana.h b/Marlin/language_kana.h
index fca13e929..c10059497 100644
--- a/Marlin/language_kana.h
+++ b/Marlin/language_kana.h
@@ -142,7 +142,7 @@
 #define MSG_INIT_SDCARD                     "SD\xb6\xb0\xc4\xde\xbb\xb2\xd6\xd0\xba\xd0"                    // "Init. SD card"
 #define MSG_CNG_SDCARD                      "SD\xb6\xb0\xc4\xde\xba\xb3\xb6\xdd"                            // "Change SD card"
 #define MSG_ZPROBE_OUT                      "Z\xcc\xdf\xdb\xb0\xcc\xde\x20\xcd\xde\xaf\xc4\xde\xb6\xde\xb2" // "Z probe out. bed"
-#define MSG_POSITION_UNKNOWN                "\xb9\xde\xdd\xc3\xdd\xcaXY\xb2\xc4\xde\xb3\xba\xdeZ"           // "Home X/Y before Z"
+#define MSG_YX_UNHOMED                      "\xb9\xde\xdd\xc3\xdd\xcaXY\xb2\xc4\xde\xb3\xba\xdeZ"           // "Home X/Y before Z"
 #define MSG_ZPROBE_ZOFFSET                  "Z\xb5\xcc\xbe\xaf\xc4"                                         // "Z Offset"
 #define MSG_BABYSTEP_X                      "X\xbc\xde\xb8\x20\xcb\xde\xc4\xde\xb3"                         // "Babystep X"
 #define MSG_BABYSTEP_Y                      "Y\xbc\xde\xb8\x20\xcb\xde\xc4\xde\xb3"                         // "Babystep Y"
diff --git a/Marlin/language_kana_utf8.h b/Marlin/language_kana_utf8.h
index 4ca47a8e7..80d146ca1 100644
--- a/Marlin/language_kana_utf8.h
+++ b/Marlin/language_kana_utf8.h
@@ -146,7 +146,7 @@
 #define MSG_INIT_SDCARD                     "SDカードサイヨミコミ"             // "Init. SD card"
 #define MSG_CNG_SDCARD                      "SDカードコウカン"               // "Change SD card"
 #define MSG_ZPROBE_OUT                      "Zプローブ ベッドガイ"            // "Z probe out. bed"
-#define MSG_POSITION_UNKNOWN                "ゲンテンハXYイドウゴZ"           // "Home X/Y before Z"
+#define MSG_YX_UNHOMED                      "ゲンテンハXYイドウゴZ"           // "Home X/Y before Z"
 #define MSG_ZPROBE_ZOFFSET                  "Zオフセット"                   // "Z Offset"
 #define MSG_BABYSTEP_X                      "Xジク ビドウ"                  // "Babystep X"
 #define MSG_BABYSTEP_Y                      "Yジク ビドウ"                  // "Babystep Y"
diff --git a/Marlin/language_nl.h b/Marlin/language_nl.h
index 27aefee01..a7304da1f 100644
--- a/Marlin/language_nl.h
+++ b/Marlin/language_nl.h
@@ -138,7 +138,7 @@
 #define MSG_INIT_SDCARD                     "Init. SD kaart"
 #define MSG_CNG_SDCARD                      "Verv. SD card"
 #define MSG_ZPROBE_OUT                      "Z probe uit. bed"
-#define MSG_POSITION_UNKNOWN                "Home X/Y voor Z"
+#define MSG_YX_UNHOMED                      "Home X/Y voor Z"
 #define MSG_ZPROBE_ZOFFSET                  "Z Offset"
 #define MSG_BABYSTEP_X                      "Babystap X"
 #define MSG_BABYSTEP_Y                      "Babystap Y"
diff --git a/Marlin/language_pl.h b/Marlin/language_pl.h
index 37586f53a..8ee914c99 100644
--- a/Marlin/language_pl.h
+++ b/Marlin/language_pl.h
@@ -138,7 +138,7 @@
 #define MSG_INIT_SDCARD                     "Inicjal. karty SD"
 #define MSG_CNG_SDCARD                      "Zmiana karty SD"
 #define MSG_ZPROBE_OUT                      "Sonda Z za lozem"
-#define MSG_POSITION_UNKNOWN                "Wroc w XY przed Z"
+#define MSG_YX_UNHOMED                      "Wroc w XY przed Z"
 #define MSG_ZPROBE_ZOFFSET                  "Offset Z"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_pt-br.h b/Marlin/language_pt-br.h
index 3e882635f..8a3fed350 100644
--- a/Marlin/language_pt-br.h
+++ b/Marlin/language_pt-br.h
@@ -138,7 +138,7 @@
 #define MSG_INIT_SDCARD                     "Iniciar SD"
 #define MSG_CNG_SDCARD                      "Trocar SD"
 #define MSG_ZPROBE_OUT                      "Son. fora da mesa"
-#define MSG_POSITION_UNKNOWN                "Pos. Desconhecida"
+#define MSG_YX_UNHOMED                      "Pos. Desconhecida"
 #define MSG_ZPROBE_ZOFFSET                  "Deslocamento no Z"
 #define MSG_BABYSTEP_X                      "Passinho X"
 #define MSG_BABYSTEP_Y                      "Passinho Y"
diff --git a/Marlin/language_pt-br_utf8.h b/Marlin/language_pt-br_utf8.h
index 7b6639bd0..a3eea1de9 100644
--- a/Marlin/language_pt-br_utf8.h
+++ b/Marlin/language_pt-br_utf8.h
@@ -138,7 +138,7 @@
 #define MSG_INIT_SDCARD                     "Iniciar SD"
 #define MSG_CNG_SDCARD                      "Trocar SD"
 #define MSG_ZPROBE_OUT                      "Son. fora da mesa"
-#define MSG_POSITION_UNKNOWN                "Pos. Desconhecida"
+#define MSG_YX_UNHOMED                      "Pos. Desconhecida"
 #define MSG_ZPROBE_ZOFFSET                  "Deslocamento no Z"
 #define MSG_BABYSTEP_X                      "Passinho X"
 #define MSG_BABYSTEP_Y                      "Passinho Y"
diff --git a/Marlin/language_pt.h b/Marlin/language_pt.h
index 5070c93ea..e65a162c4 100644
--- a/Marlin/language_pt.h
+++ b/Marlin/language_pt.h
@@ -142,7 +142,7 @@
 #define MSG_INIT_SDCARD                     "Inici. cartao SD"
 #define MSG_CNG_SDCARD                      "Trocar cartao SD"
 #define MSG_ZPROBE_OUT                      "Sensor fora/base"
-#define MSG_POSITION_UNKNOWN                "XY antes de Z"
+#define MSG_YX_UNHOMED                      "XY antes de Z"
 #define MSG_ZPROBE_ZOFFSET                  "Desvio Z"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_pt_utf8.h b/Marlin/language_pt_utf8.h
index 64da9645d..60e38663c 100644
--- a/Marlin/language_pt_utf8.h
+++ b/Marlin/language_pt_utf8.h
@@ -142,7 +142,7 @@
 #define MSG_INIT_SDCARD                     "Inici. cartão SD"
 #define MSG_CNG_SDCARD                      "Trocar cartão SD"
 #define MSG_ZPROBE_OUT                      "Sensor fora/base"
-#define MSG_POSITION_UNKNOWN                "XY antes de Z"
+#define MSG_YX_UNHOMED                      "XY antes de Z"
 #define MSG_ZPROBE_ZOFFSET                  "Desvio Z"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
diff --git a/Marlin/language_ru.h b/Marlin/language_ru.h
index fe04c03aa..39692d8b3 100644
--- a/Marlin/language_ru.h
+++ b/Marlin/language_ru.h
@@ -139,7 +139,7 @@
 #define MSG_INIT_SDCARD                     "Иниц. карту"
 #define MSG_CNG_SDCARD                      "Сменить карту"
 #define MSG_ZPROBE_OUT                      "Z датчик вне стола"
-#define MSG_POSITION_UNKNOWN                "Паркуй X/Y перед Z"
+#define MSG_YX_UNHOMED                      "Паркуй X/Y перед Z"
 #define MSG_ZPROBE_ZOFFSET                  "Смещение Z"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"