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