Permeate rhymes with:
abbreviate, affiliate, alleviate, appreciate, asphyxiate, delineate, depreciate, deviate, differentiate, emaciate, enunciate, excoriate, expatriate, expiate, expropriate, foliate, glaciate, herniate, humiliate, inebriate, infuriate, ingratiate, initiate, instantiate, irradiate, mediate, misappropriate, nauseate, negotiate, obviate, officiate, recreate, renegotiate, renunciate, repatriate, repudiate, retaliate, substantiate, unaffiliate
Permeate sounds like:
papermate, paramount, paranoid, parent, parente, parenteau, parenthood, parenti, parrent, peppermint, permanent, permanente, permeated, permenante, permit, permitted, permount, permut, permutate, permutated, permute, pernod, preeminent, preened, premeditate, premeditated, primate, primed, print, printed, printout, printy, promenade, prominent, promote, promoted, pronto, prowant, pruned, pruneda, prunty, prurient, pyramid