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