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