Determinate rhymes with:
exterminate, terminate, exterminate, germinate, terminate, contaminate, decontaminate, denominate, discriminate, disseminate, dominate, eliminate, emanate, exterminate, fulminate, germinate, incriminate, inseminate, predominate, terminate
Determinate sounds like:
darned, daydreamed, dearment, dearmond, deodorant, dermody, dermot, dermott, determent, determinant, determined, deterrent, dethroned, detriment, doormat, dorinda, dormant, drained, dreamed, dreamt, drenth, droned, dronet, drowned, drumhead, drummed, drummond, duramed, durand, durando, durant, durante, durrant