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