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