Mêmes voyelles que impugner
ceinturer,
impulser,
impureté,
imputer,
incruster,
incube,
incuber,
inculper,
inculpé,
inculquer,
incurver,
incurvée,
incurvés,
indulger,
induquer,
indurer,
induré,
influer,
infuser,
insculper,
insculpter,
insuffler,
insulter,
insultée,
insurger,
insurgé,
intuber,
peinturer,
quintupler,
quintuplé,
quintuplées,
vinculer,
vinculé.