diff --git a/Marlin/src/lcd/language/language_fr.h b/Marlin/src/lcd/language/language_fr.h
index 1abc0fba43d6..a30d10d22860 100644
--- a/Marlin/src/lcd/language/language_fr.h
+++ b/Marlin/src/lcd/language/language_fr.h
@@ -632,15 +632,16 @@ namespace Language_fr {
   LSTR MSG_SD_CARD                        = _UxGT("Carte SD");
   LSTR MSG_USB_DISK                       = _UxGT("Clé USB");
 
-  LSTR MSG_IMPOSSIBLE_WHILE_PRINTING      = _UxGT("Impossible pendant une impression");
-  LSTR MSG_IMPOSSIBLE_WHILE_IDLE          = _UxGT("Impossible tant que l'imprimante est en attente");
-  LSTR MSG_NO_FILE_SELECTED               = _UxGT("Aucun fichier selectionne");
-  LSTR MSG_TEMP_TOO_LOW                   = _UxGT("Temperature trop basse");
-  LSTR MSG_EXECUTING_COMMAND              = _UxGT("Execution de la commande...");
-  LSTR MSG_BED_PID_DISABLED               = _UxGT("Bed PID desactive");
-  LSTR MSG_PID_DISABLED                   = _UxGT("PID desactive");
-  LSTR MSG_PID_AUTOTUNING                 = _UxGT("Autocalibrage du PID...");
-  LSTR MSG_INVALID_RECOVERY_DATA          = _UxGT("Donnees de recuperation non valides");
+  // DGUS-Specific message strings, not used elsewhere
+  LSTR DGUS_MSG_NOT_WHILE_PRINTING        = _UxGT("Impossible pendant une impression");
+  LSTR DGUS_MSG_NOT_WHILE_IDLE            = _UxGT("Impossible tant que l'imprimante est en attente");
+  LSTR DGUS_MSG_NO_FILE_SELECTED          = _UxGT("Aucun fichier selectionne");
+  LSTR DGUS_MSG_TEMP_TOO_LOW              = _UxGT("Temperature trop basse");
+  LSTR DGUS_MSG_EXECUTING_COMMAND         = _UxGT("Execution de la commande...");
+  LSTR DGUS_MSG_BED_PID_DISABLED          = _UxGT("Bed PID desactive");
+  LSTR DGUS_MSG_PID_DISABLED              = _UxGT("PID desactive");
+  LSTR DGUS_MSG_PID_AUTOTUNING            = _UxGT("Autocalibrage du PID...");
+  LSTR DGUS_MSG_INVALID_RECOVERY_DATA     = _UxGT("Donnees de recuperation non valides");
 
   LSTR DGUS_MSG_HOMING_REQUIRED           = _UxGT("Retour a l'origine necessaire...");
   LSTR DGUS_MSG_BUSY                      = _UxGT("Occupe");
diff --git a/Marlin/src/lcd/language/language_fr_na.h b/Marlin/src/lcd/language/language_fr_na.h
index 519b8720e866..48030dd031d2 100644
--- a/Marlin/src/lcd/language/language_fr_na.h
+++ b/Marlin/src/lcd/language/language_fr_na.h
@@ -31,10 +31,9 @@
 #define DISPLAY_CHARSET_ISO10646_1
 #define NOT_EXTENDED_ISO10646_1_5X7
 
-namespace Language_fr {
+namespace Language_fr_na {
   using namespace Language_en; // Inherit undefined strings from English
 
-  constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Francais");
 
   LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" prete.");
@@ -142,7 +141,7 @@ namespace Language_fr {
   LSTR MSG_UBL_TOOLS                      = _UxGT("Outils UBL");
   LSTR MSG_UBL_LEVEL_BED                  = _UxGT("Niveau lit unifie");
   LSTR MSG_UBL_MANUAL_MESH                = _UxGT("Maillage manuel");
-  LSTR MSG_UBL_BC_INSERT                  = _UxGT("Poser câle & mesurer");
+  LSTR MSG_UBL_BC_INSERT                  = _UxGT("Poser cale & mesurer");
   LSTR MSG_UBL_BC_INSERT2                 = _UxGT("Mesure");
   LSTR MSG_UBL_BC_REMOVE                  = _UxGT("oter et mesurer lit");
   LSTR MSG_UBL_MOVING_TO_NEXT             = _UxGT("Aller au suivant");
diff --git a/buildroot/share/fonts/make_lang_na.sh b/buildroot/share/fonts/make_lang_na.sh
new file mode 100755
index 000000000000..d7453e282093
--- /dev/null
+++ b/buildroot/share/fonts/make_lang_na.sh
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+#
+# make_lang_na.sh
+#
+# Create non-accented language files given a list of accented language files.
+#
+
+which gsed >/dev/null || { echo "gsed is required for this script." ; exit 1 ; }
+which perl >/dev/null || { echo "perl is required for this script." ; exit 1 ; }
+
+#
+# Get language arguments
+#
+[ $# ] || { echo "One or more language codes (such as 'fr') must be supplied." ; exit 1 ; }
+
+LANG_ARG="$@"
+
+#
+# Change to working directory 'Marlin'
+#
+OLDWD=`pwd`
+[[ $(basename "$OLDWD") != 'Marlin' && -d "Marlin" ]] && cd Marlin
+[[ -f "Configuration.h" ]] || { echo -n "cd to the 'Marlin' folder to run " ; basename $0 ; exit 1; }
+
+#
+# Generate a non-accented language file
+#
+for ALANG in $LANG_ARG ; do
+  echo "Generating a non-accented language for '${ALANG}'" >&2
+  OUTFILE=src/lcd/language/language_${ALANG}_na.h
+  cp src/lcd/language/language_${ALANG}.h $OUTFILE
+  perl -pi -e 's/\s*#define DISPLAY_CHARSET_.+\n*//g' $OUTFILE
+  perl -pi -e 's/\s*constexpr .+ CHARSIZE.+\n*//g' $OUTFILE
+  perl -pi -e "s/namespace Language_${ALANG}/#define DISPLAY_CHARSET_ISO10646_1\n#define NOT_EXTENDED_ISO10646_1_5X7\n\nnamespace Language_${ALANG}_na/" $OUTFILE
+  gsed -i 'y/āáǎàâäēéěèêīíǐìïîōóǒòöôūúǔùǖǘǚǜüûĀÁǍÀĒÉĚÈÊĪÍǏÌÎŌÓǑÒÔŪÚǓÙǕǗǙǛÜÛÇçÑñ/aaaaaaeeeeeiiiiiioooooouuuuuuuuuuAAAAEEEEEIIIIIOOOOOUUUUUUUUUUCcNn/' $OUTFILE
+  perl -pi -e 's/ß/ss/g' $OUTFILE
+done
+
+cd "$OLDWD"