Here's what rhymes with snbstantive.
Words that almost rhyme with snbstantive
punches lunches plunges hunches lunges brunches munches crunches lumpish expunges frumpish scrunches keypunches muskellunges seductive irruptive destructive productive inductive disruptive obstructive ablative disjunctive eruptive vocative mutative instructive impulsive repulsive unproductive conductive subjunctive locative fricative propulsive appositive assumptive combustive lenitive constructive reproductive compulsive transitive presumptive nondestructive nonproductive convulsive proliferative consumptive superconductive counterproductive reconstructive nonconstructive