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
@@ -523,13 +523,15 @@
     let sSfx;
     if (bVC) {
         [sWord, sSfx] = splitVerb(sWord);
     }
     let aSugg = phonet.selectSimil(sWord, sPattern);
-    for (let sMorph of _oSpellChecker.getMorph(sWord)) {
-        for (let e of conj.getSimil(sWord, sMorph, bSubst)) {
-            aSugg.add(e);
+    if (aSugg.size === 0 || !bSubst) {
+        for (let sMorph of _oSpellChecker.getMorph(sWord)) {
+            for (let e of conj.getSimil(sWord, sMorph, bSubst)) {
+                aSugg.add(e);
+            }
         }
     }
     if (aSugg.size > 0) {
         if (bVC) {
             return Array.from(aSugg).map((sSugg) => { return sSugg + sSfx; }).join("|");

Index: gc_lang/fr/modules/gce_suggestions.py
==================================================================
--- gc_lang/fr/modules/gce_suggestions.py
+++ gc_lang/fr/modules/gce_suggestions.py
@@ -402,13 +402,14 @@
 def suggSimil (sWord, sPattern=None, bSubst=False, bVC=False):
     "return list of words phonetically similar to sWord and whom POS is matching sPattern"
     if bVC:
         sWord, sSfx = splitVerb(sWord)
     aSugg = phonet.selectSimil(sWord, sPattern)
-    for sMorph in _oSpellChecker.getMorph(sWord):
-        aSugg.update(conj.getSimil(sWord, sMorph, bSubst))
-        break
+    if not aSugg or not bSubst:
+        for sMorph in _oSpellChecker.getMorph(sWord):
+            aSugg.update(conj.getSimil(sWord, sMorph, bSubst))
+            break
     if aSugg:
         if bVC:
             aSugg = list(map(lambda sSug: sSug + sSfx, aSugg))
         return "|".join(aSugg)
     return ""