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