Check if the word is in one of the regular lists specific to each POS (#2886)

spacy/lang/fr/lemmatizer/lemmatizer.py

@@ -107,6 +107,9 @@ class FrenchLemmatizer(object):
 def lemmatize(string, index, exceptions, rules):
     string = string.lower()
     forms = []
+    if (string in index):
+        forms.append(string)
+        return forms
     forms.extend(exceptions.get(string, []))
     oov_forms = []
     if not forms: