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