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