Here's what rhymes with littlest.
Words that almost rhyme with littlest
nimblest ficklest innocent intimate imminent ligament immanent indolent insolent virulent irritant cheerfullest difficult incident infinite legitimate immigrant filament intricate militant impotent silicate simulate vigilant dissonant militarist visitant sycophant belittlement timpanist equivalent instrument implement increment ambivalent stimulant abolitionist empiricist coalitionist participant coincident particulate predicament medicament dissimulate prohibitionist ministrant nonvirulent magnificent imprisonment omnipotent discriminant inarticulate precipitant exhibitionist gesticulate nonmilitant grandiloquent nonequivalent indiscriminate individuate nonparticipant