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