Here's what rhymes with lassive.
massive passive impassive Words that almost rhyme with lassive
wrasses lavish lashes brasses passeth rashes basses gasses raffish razzes flashes clashes crashes dashes caches sashes hashish morasses slashes harasses mashes amasses bashes cashes thrashes gnashes brazes trashes jazzes rapacious surpasses smashes hourglasses stashes abashes overpasses pugnacious calabashes underpasses demitasses gatecrashes active reactive captive attractive adaptive inactive proactive expansive refractive combative contrastive overactive nonactive interactive radioactive unattractive maladaptive extractive hyperactive retroactive vasoactive psychoactive nonreactive counteractive putrefactive immunoreactive nonradioactive