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