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