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