diff --git a/Marlin/src/lcd/language/language_pt.h b/Marlin/src/lcd/language/language_pt.h
index 55d9c1d7c572..0672f2556084 100644
--- a/Marlin/src/lcd/language/language_pt.h
+++ b/Marlin/src/lcd/language/language_pt.h
@@ -29,7 +29,7 @@
  * See also https://marlinfw.org/docs/development/lcd_language.html
  */
 
- #define DISPLAY_CHARSET_ISO10646_1
+#define DISPLAY_CHARSET_ISO10646_1
 
 namespace Language_pt {
   using namespace Language_en; // Inherit undefined strings from English
diff --git a/buildroot/share/fonts/genallfont.sh b/buildroot/share/fonts/genallfont.sh
index e04b11a799f8..cc92d17d2c42 100755
--- a/buildroot/share/fonts/genallfont.sh
+++ b/buildroot/share/fonts/genallfont.sh
@@ -67,21 +67,21 @@ LANGS_DEFAULT="an bg ca cz da de el el_CY en es eu fi fr gl hr hu it jp_kana ko_
 #
 # Generate data for language list MARLIN_LANGS or all if not provided
 #
-for LANG in ${LANG_ARG:=$LANGS_DEFAULT} ; do
-  echo "Generating Marlin language data for '${LANG}'" >&2
-  case "$LANG" in
+for ALANG in ${LANG_ARG:=$LANGS_DEFAULT} ; do
+  echo "Generating Marlin language data for '${ALANG}'" >&2
+  case "$ALANG" in
      zh_* ) FONTFILE="wenquanyi_12pt" ;;
      ko_* ) FONTFILE="${DN_EXEC}/NanumGothic.bdf" ;;
         * ) FONTFILE="${DN_EXEC}/marlin-6x12-3.bdf" ;;
   esac
   DN_WORK=$(mktemp -d)
   cp Configuration.h ${DN_WORK}/
-  cp src/lcd/language/language_${LANG}.h ${DN_WORK}/
+  cp src/lcd/language/language_${ALANG}.h ${DN_WORK}/
   cd "${DN_WORK}"
-  ${DN_EXEC}/uxggenpages.sh "${FONTFILE}" $LANG
+  ${DN_EXEC}/uxggenpages.sh "${FONTFILE}" $ALANG
   sed -i fontutf8-data.h -e 's|fonts//|fonts/|g' -e 's|fonts//|fonts/|g' -e 's|[/0-9a-zA-Z_\-]*buildroot/share/fonts|buildroot/share/fonts|' 2>/dev/null
   cd - >/dev/null
-  mv ${DN_WORK}/fontutf8-data.h src/lcd/dogm/fontdata/langdata_${LANG}.h
+  mv ${DN_WORK}/fontutf8-data.h src/lcd/dogm/fontdata/langdata_${ALANG}.h
   rm -rf ${DN_WORK}
 done
 
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"