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