Obviating rhymes with:
abbreviating, alleviating, deviating, abbreviating, affiliating, alleviating, appreciating, appropriating, asphyxiating, associating, delineating, depreciating, deviating, differentiating, emaciating, enunciating, excoriating, excruciating, humiliating, inebriating, infuriating, ingratiating, initiating, instantiating, mediating, misappropriating, nauseating, negotiating, officiating, permeating, radiating, recreating, renegotiating, repatriating, repudiating, retaliating
Obviating sounds like:
obedience, obtaining, obtains, optimize, opting, option's, optioning, options, options', ovations