Index: graphspell-js/ibdawg.js
==================================================================
--- graphspell-js/ibdawg.js
+++ graphspell-js/ibdawg.js
@@ -77,13 +77,15 @@
             }
         }
         lRes = char_player.filterSugg(lRes);
         if (this.sWord.gl_isUpperCase()) {
             lRes = lRes.map((sSugg) => { return sSugg.toUpperCase(); });
+            lRes = [...new Set(lRes)];
         }
         else if (this.sWord.slice(0,1).gl_isUpperCase()) {
             lRes = lRes.map((sSugg) => { return sSugg.slice(0,1).toUpperCase() + sSugg.slice(1); });
+            lRes = [...new Set(lRes)];
         }
         return lRes.slice(0, nSuggLimit);
     }
 
     reset () {
@@ -270,13 +272,12 @@
                         return true;
                     }
                     return !!(this.lookup(sWord.toLowerCase()) || this.lookup(sWord.gl_toCapitalize()));
                 }
                 return !!this.lookup(sWord.slice(0, 1).toLowerCase() + sWord.slice(1));
-            } else {
-                return !!this.lookup(sWord.toLowerCase());
             }
+            return !!this.lookup(sWord.toLowerCase());
         }
         if (sWord.slice(0,1).gl_isDigit()) {
             return true;
         }
         return false;
@@ -376,10 +377,14 @@
                     oSuggResult.addSugg(sNewWord+sTail);
                 }
                 return;
             }
             else if ( (sNewWord.length + sRemain.length == oSuggResult.sWord.length) && oSuggResult.sWord.toLowerCase().startsWith(sNewWord.toLowerCase()) && this.isValid(sRemain) ) {
+                if (this.sLangCode == "fr"
+                    && ["l", "d", "n", "m", "t", "s", "c", "j", "qu", "lorsqu", "puisqu", "quoiqu", "jusqu", "quelqu"].includes(sNewWord.toLowerCase()) && char_player.aVowel.has(sRemain.slice(0,1))) {
+                    oSuggResult.addSugg(sNewWord+"’"+sRemain);
+                }
                 oSuggResult.addSugg(sNewWord+" "+sRemain);
             }
         }
         if (nDist > oSuggResult.nDistLimit) {
             return;

Index: graphspell/ibdawg.py
==================================================================
--- graphspell/ibdawg.py
+++ graphspell/ibdawg.py
@@ -11,10 +11,11 @@
 import re
 from functools import wraps
 import time
 import json
 import binascii
+from collections import OrderedDict
 
 #import logging
 #logging.basicConfig(filename="suggestions.log", level=logging.DEBUG)
 
 from . import str_transform as st
@@ -75,13 +76,14 @@
                 lRes.extend(lSugg)
                 if len(lRes) > nSuggLimit:
                     break
         lRes = list(cp.filterSugg(lRes))
         if self.sWord.isupper():
-            lRes = list(map(lambda sSugg: sSugg.upper(), lRes))
+            lRes = list(OrderedDict.fromkeys(map(lambda sSugg: sSugg.upper(), lRes))) # use dict, when Python 3.6+
         elif self.sWord[0:1].isupper():
-            lRes = list(map(lambda sSugg: sSugg[0:1].upper()+sSugg[1:], lRes))  # dont’ use <.istitle>
+            # dont’ use <.istitle>
+            lRes = list(OrderedDict.fromkeys(map(lambda sSugg: sSugg[0:1].upper()+sSugg[1:], lRes))) # use dict, when Python 3.6+
         return lRes[:nSuggLimit]
 
     def reset (self):
         "clear data"
         self.aSugg.clear()
@@ -335,10 +337,12 @@
                 oSuggResult.addSugg(sNewWord, nDeep)
                 for sTail in self._getTails(iAddr):
                     oSuggResult.addSugg(sNewWord+sTail, nDeep)
                 return
             if (len(sNewWord) + len(sRemain) == len(oSuggResult.sWord)) and oSuggResult.sWord.lower().startswith(sNewWord.lower()) and self.isValid(sRemain):
+                if self.sLangCode == "fr" and sNewWord.lower() in ("l", "d", "n", "m", "t", "s", "c", "j", "qu", "lorsqu", "puisqu", "quoiqu", "jusqu", "quelqu") and sRemain[0:1] in cp.aVowel:
+                    oSuggResult.addSugg(sNewWord+"’"+sRemain)
                 oSuggResult.addSugg(sNewWord+" "+sRemain)
         if nDist > oSuggResult.nDistLimit:
             return
         cCurrent = sRemain[0:1]
         for cChar, jAddr in self._getCharArcs(iAddr):