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