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