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