Here's what rhymes with retroreflective.
selective elective reflective effective collective respective affective corrective directive deflective objective perspective protective subjective defective prospective connective detective irrespective retrospective infective invective projective ineffective convective introspective noneffective nonobjective intersubjective Words that almost rhyme with retroreflective
restive festive reflexive attentive receptive pensive retentive aggressive offensive incentive suggestive digestive oppressive preventive deceptive inventive perceptive recessive repressive redemptive regressive preemptive suppressive extensive excessive expensive impressive intensive progressive successive defensive expressive depressive congestive obsessive possessive inattentive transgressive retrogressive digressive overattentive unoffensive apprehensive compressive contraceptive hypertensive inoffensive coextensive hypotensive proprioceptive disincentive imperceptive overaggressive unperceptive comprehensive inexpensive unimpressive inexpressive nonsuccessive immunosuppressive counteroffensive antihypertensive