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