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