Index: gc_lang/fr/modules-js/gce_suggestions.js
==================================================================
--- gc_lang/fr/modules-js/gce_suggestions.js
+++ gc_lang/fr/modules-js/gce_suggestions.js
@@ -273,17 +273,25 @@
         }
         if (_oSpellChecker.isValid(sFlex.slice(0,-2)+"il")) {
             aSugg.add(sFlex.slice(0,-2)+"il");
         }
     }
-    if (_oSpellChecker.isValid(sFlex.slice(0,-1))) {
+    if (sFlex.endsWith("UX")) {
+        if (_oSpellChecker.isValid(sFlex.slice(0,-2)+"L")) {
+            aSugg.add(sFlex.slice(0,-2)+"L");
+        }
+        if (_oSpellChecker.isValid(sFlex.slice(0,-2)+"IL")) {
+            aSugg.add(sFlex.slice(0,-2)+"IL");
+        }
+    }
+    if ((sFlex.endsWith("s") || sFlex.endsWith("x") || sFlex.endsWith("S") || sFlex.endsWith("X")) && _oSpellChecker.isValid(sFlex.slice(0,-1))) {
         aSugg.add(sFlex.slice(0,-1));
     }
-    if (aSugg.size > 0) {
-        return Array.from(aSugg).join("|");
+    if (aSugg.size == 0) {
+        aSugg.add(sFlex);
     }
-    return "";
+    return Array.from(aSugg).join("|");
 }
 
 function suggMasSing (sFlex, bSuggSimil=false) {
     // returns masculine singular forms
     let aSugg = new Set();

Index: gc_lang/fr/modules/gce_suggestions.py
==================================================================
--- gc_lang/fr/modules/gce_suggestions.py
+++ gc_lang/fr/modules/gce_suggestions.py
@@ -206,15 +206,20 @@
     if sFlex.endswith("ux"):
         if _oSpellChecker.isValid(sFlex[:-2]+"l"):
             aSugg.add(sFlex[:-2]+"l")
         if _oSpellChecker.isValid(sFlex[:-2]+"il"):
             aSugg.add(sFlex[:-2]+"il")
-    if _oSpellChecker.isValid(sFlex[:-1]):
+    if sFlex.endswith("UX"):
+        if _oSpellChecker.isValid(sFlex[:-2]+"L"):
+            aSugg.add(sFlex[:-2]+"L")
+        if _oSpellChecker.isValid(sFlex[:-2]+"IL"):
+            aSugg.add(sFlex[:-2]+"IL")
+    if sFlex.endswith(("s", "x", "S", "X")) and _oSpellChecker.isValid(sFlex[:-1]):
         aSugg.add(sFlex[:-1])
-    if aSugg:
-        return "|".join(aSugg)
-    return ""
+    if not aSugg:
+        aSugg.add(sFlex)
+    return "|".join(aSugg)
 
 
 def suggMasSing (sFlex, bSuggSimil=False):
     "returns masculine singular forms"
     aSugg = set()