Expiate rhymes with:
abbreviate, affiliate, alleviate, appreciate, asphyxiate, delineate, depreciate, deviate, differentiate, emaciate, enunciate, excoriate, expatriate, expropriate, foliate, glaciate, herniate, humiliate, inebriate, infuriate, ingratiate, initiate, instantiate, irradiate, mediate, misappropriate, nauseate, negotiate, obviate, officiate, permeate, recreate, renegotiate, renunciate, repatriate, repudiate, retaliate, substantiate, unaffiliate
Expiate sounds like:
ecevit, eggshaped, egypt, equipped, escapade, escaped, escobedo, espada, espitia, ex-voto, exabyte, excavate, excavated, except, excepted, exhibit, exhibited, expedia, expedite, expedited, eyespot