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