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