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