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