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