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