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