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