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