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