Determinist rhymes with:
feminist, abolitionist, accompanist, antagonist, arsonist, botanist, calvinist, chauvinist, communist, conservationist, contortionist, exhibitionist, expressionist, feminist, illusionist, impressionist, isolationist, jansenist, neoplatonist, obstructionist, organist, perfectionist, platonist, protagonist, unionist
Determinist sounds like:
daarmstadt, darmstadt, deranged, drenched