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