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