Here's what rhymes with retentive.
attentive incentive preventive inventive inattentive overattentive disincentive Words that almost rhyme with retentive
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 extensive perspective expensive subjective prospective selective suggestive connective irrespective oppressive reflective congestive infective obsessive possessive recessive invective preemptive deflective unoffensive aggressive excessive impressive depressive ineffective apprehensive hypertensive reflexive convective inoffensive regressive hypotensive suppressive digressive imperceptive unperceptive comprehensive progressive successive expressive inexpensive retrospective compressive introspective coextensive nonobjective noneffective contraceptive proprioceptive counteroffensive retrogressive unimpressive antihypertensive intersubjective transgressive inexpressive overaggressive nonsuccessive immunosuppressive