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