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