Ellwood's rhymes with:
hazelwood's, attwoods, cottonwoods, dogwoods, eastwood's, foxwoods, glenwood's, hardwoods, hazelwood's, hollywood's, ironwood's, lockwood's, packwood's, presswoods, redwoods, rosewood's, sherwood's, underwoods, wedgewood's, westwood's, wildwoods, winwood's
Ellwood's sounds like:
eilts, elates, eledge, eliades, eliot's, elites, elledge, elliott's, eludes, eyelets, eyelids