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