Here's what rhymes with sumptive.
assumptive presumptive consumptive Words that almost rhyme with sumptive
irruptive eruptive disruptive seductive vocative inductive ablative locative fricative appositive lenitive destructive productive instructive impulsive obstructive repulsive transitive conductive convulsive subjunctive disjunctive mutative combustive constructive compulsive propulsive reproductive unproductive proliferative reconstructive nondestructive nonproductive superconductive nonconstructive counterproductive