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