Here's what rhymes with cohortative.
dative native creative authoritative iterative radiative cooperative qualitative imitative oxidative vegetative educative connotative nonnative cogitative annotative legislative innovative collaborative associative evaluative deliberative meditative dissipative evaporative denotative copulative emulative quantitative appreciative integrative dissociative regulative procreative stimulative interpretative investigative rehabilitative accumulative manipulative unappreciative administrative nonadministrative Words that almost rhyme with cohortative
cages sages rages mutatis phages wadis wadges engages bellyaches reengages macrophages disengages greengages plaintive pervasive abrasive evasive invasive persuasive dissuasive nonabrasive noninvasive unpersuasive