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