Nauseating rhymes with:
abbreviating, affiliating, alleviating, appreciating, appropriating, asphyxiating, associating, delineating, depreciating, deviating, differentiating, emaciating, enunciating, excoriating, excruciating, humiliating, inebriating, infuriating, ingratiating, initiating, instantiating, mediating, misappropriating, negotiating, obviating, officiating, permeating, radiating, recreating, renegotiating, repatriating, repudiating, retaliating
Nauseating sounds like:
nastiness, necessitating, negating, negotiating, negotiations, nesting, nicotine's, nighttimes, nonacademic