Mêmes voyelles que postillon
boquillon,
bottillon,
cognition,
collision,
commission,
commixtions,
corbillon,
cornillon,
cotillon,
dormition,
gorillon,
horillon,
modillon,
morillon,
nolition,
nonillion,
octillion,
omission,
opilion,
opinion,
orillon,
portillon,
positions,
proscription,
provision,
taurillon,
tortillon,
volition.