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