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