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