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