Non-sequitor rhymes with:
sequitur, sequitur, sequitur, sequitur, arbiter, auditor, barometer, brandstetter, branstetter, depositor, deruiter, exeter, glastetter, greditor, helmstetter, hemmeter, hostetter, karstetter, kerstetter, kiesewetter, klawitter, lassetter, leadbetter, parmeter, photometer, progenitor, rastetter, resetar, rossiter, sequitur, telemarketer, tensiometer
Non-sequitor sounds like:
nastier, nectar, negotiator, nester, nestor, neumeister, newscaster, nicastro, nichter, nicotera, nicotra, nighter, nostra