Here's what rhymes with incohative.
combative Words that almost rhyme with incohative
satis hatches flattish faddish thatches hadjis badges snatches magis radish snappish tabus kaddish caddish laddish cadges attaches nuthatches chapattis crosshatches crosspatches despatches dispatches detaches mismatches menages reattaches kaffeeklatsches massive passive captive overactive adaptive reactive inactive attractive interactive refractive impassive proactive hyperactive vasoactive psychoactive nonactive expansive unattractive maladaptive contrastive extractive nonreactive counteractive radioactive immunoreactive retroactive putrefactive nonradioactive