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