diff --git a/autogen/autogen.sh b/autogen/autogen.sh
index 4036b217a..5ca876ba2 100755
--- a/autogen/autogen.sh
+++ b/autogen/autogen.sh
@@ -5,3 +5,4 @@ python3 ./autogen/convert_structs.py $1
 python3 ./autogen/gen_hooks.py $1
 python3 ./autogen/convert_constants.py $1
 python3 ./autogen/extract_display_lists.py $1
+python3 ./autogen/check_languages.py $1
diff --git a/autogen/check_languages.py b/autogen/check_languages.py
new file mode 100644
index 000000000..f4ce48129
--- /dev/null
+++ b/autogen/check_languages.py
@@ -0,0 +1,78 @@
+import os, configparser
+
+LANG_DIR = "./lang/"
+
+def pass_string(optionstr): return optionstr
+
+def open_lang(name):
+    parser = configparser.ConfigParser(interpolation=None)
+    parser.optionxform = pass_string
+    parser.read(LANG_DIR + name)
+    return parser
+
+DEF_NAME = "English.ini"
+DEF_LANG = open_lang(DEF_NAME)
+
+# Edit this dictionary when revising entries
+verified_entries = {
+    "Spanish.ini": {
+        "MENU": ("NO"),
+        "CONTROLS": ("A", "B", "X", "Y", "Z", "L", "R", "CHAT", "START"),
+        "DISPLAY": ("MANUAL", "D0P5X", "D1X", "D1P5X", "D3X", "D10X", "D100X"),
+        "DJUI_THEMES": ("FONT_NORMAL", "MARIO_THEME", "ODYSSEY_THEME"),
+        "DYNOS": ("DYNOS"),
+        "HOST_MESSAGE": ("INFO_TITLE"),
+        "HOST_MODS": ("MODS"),
+        "HOST_MOD_CATEGORIES": ("ROMHACKS", "CHARACTER_SELECT"),
+        "HOST_SETTINGS": ("NORMAL"),
+        "HOST": ("DISCORD", "COOPNET", "MODS"),
+        "MENU_OPTIONS": ("MENU_TITLE"),
+        "MODLIST": ("MODS"),
+    }
+}
+
+for file in os.listdir(os.fsencode(LANG_DIR)):
+    filename = os.fsdecode(file)
+    if filename == DEF_NAME: continue
+
+    lang = open_lang(filename)
+    warned = False
+
+    for section in DEF_LANG.sections():
+        warnings = {
+            "UNTRANSLATED": [],
+            "MISSING": [],
+            "EXTRA": [],
+        }
+
+        if lang.has_section(section):
+            entries = list(dict.fromkeys(lang.options(section) + DEF_LANG.options(section)))
+            for entry in entries:
+                if lang.has_option(section, entry):
+                    if not DEF_LANG.has_option(section, entry):
+                        warnings["EXTRA"].append(entry)
+                        continue
+                else:
+                    warnings["MISSING"].append(entry)
+                    continue
+
+                verified = verified_entries.get(filename)
+                if verified is not None:
+                    verified = verified.get(section)
+                    if verified is not None:
+                        verified = entry in verified
+
+                if lang.get(section, entry) == DEF_LANG.get(section, entry) \
+                    and not verified:
+                    warnings["UNTRANSLATED"].append(entry)
+        else: warnings["MISSING"].append("SECTION")
+
+        if len(warnings["EXTRA"] + warnings["MISSING"] + warnings["UNTRANSLATED"]) > 0:
+            if not warned: warned = True; print(filename+":")
+
+            print(f"[{section}]")
+            for level, entries in warnings.items():
+                if len(entries) > 0:
+                    print(level + ": " + ", ".join(entries))
+            print()
+    
\ No newline at end of file
diff --git a/lang/English.ini b/lang/English.ini
index 0560d9ac2..649bd225e 100644
--- a/lang/English.ini
+++ b/lang/English.ini
@@ -415,6 +415,7 @@ MUTE_FOCUS_LOSS = "Mute When Window Unfocused"
 LANGUAGE = "LANGUAGE"
 Czech = "Czech (Čeština)"
 Dutch = "Dutch (Nederlands)"
+English = "English"
 French = "French (Français)"
 German = "German (Deutsch)"
 Italian = "Italian (Italiano)"
diff --git a/lang/Spanish.ini b/lang/Spanish.ini
index 50660a637..0484c79fc 100644
--- a/lang/Spanish.ini
+++ b/lang/Spanish.ini
@@ -168,7 +168,7 @@ D10X = "10x"
 D100X = "100x"
 DRAW_DISTANCE = "Distancia de dibujado"
 DYNOS_PACKS = "Packs DynOS"
-ANTIALIASING = "Anti-aliasing"
+ANTIALIASING = "Antialiasing"
 OFF = "Desactivado"
 MUST_RESTART = "Tienes que reiniciar el juego para aplicar los cambios."
 SHOW_FPS = "Mostrar FPS"
@@ -413,15 +413,16 @@ MUTE_FOCUS_LOSS = "Silenciar sonido cuando la ventana esté desenfocada"
 
 [LANGUAGE]
 LANGUAGE = "IDIOMA"
-Czech = "Czech (Čeština)"
-Dutch = "Dutch (Nederlands)"
-French = "French (Français)"
-German = "German (Deutsch)"
-Italian = "Italian (Italiano)"
-Japanese = "Japanese (日本語)"
-Polish = "Polish (Polski)"
-Portuguese = "Portuguese (Português)"
-Russian = "Russian (Русский)"
+Czech = "Checo (Čeština)"
+Dutch = "Neerlandés (Nederlands)"
+English = "Inglés (English)"
+French = "Francés (Français)"
+German = "Alemán (Deutsch)"
+Italian = "Italiano (Italiano)"
+Japanese = "Japonés (日本語)"
+Polish = "Polaco (Polski)"
+Portuguese = "Portugués (Português)"
+Russian = "Ruso (Русский)"
 Spanish = "Español"
 
 [LOBBIES]