Here's what rhymes with tranquillement.
filament Words that almost rhyme with tranquillement
ligament militant equivalent silicate vigilant visitant medicament sycophant difficult magnificent ambivalent coincident virulent militarist littlest nonequivalent nimblest nonmilitant ficklest legitimate imprisonment omnipotent predicament simulate stimulant grandiloquent belittlement ministrant cheerfullest participant precipitant nonvirulent timpanist particulate abolitionist empiricist individuate dissimulate coalitionist inarticulate exhibitionist gesticulate nonparticipant prohibitionist indiscriminate