Unsealed rhymes with:
concealed, unconcealed, concealed, unconcealed, concealed, resealed, sealed, unconcealed, afield, appealed, cofield, concealed, congealed, feild, field, heald, healed, heeled, highyield, neeld, neild, nield, peeled, reeled, repealed, resealed, revealed, satterfield, schield, sealed, shield, unconcealed, wheeled, wield, yield
Unsealed sounds like:
uncalled, uncoiled, unequaled, unglued, unshackled, unskilled, unsold, unsullied