Masterman rhymes with:
broxterman, chesterman, hosterman, kloosterman, klosterman, klostermann, lobsterman, munsterman, osterman, ostermann, shusterman, testerman, westerman, westermann
Masterman sounds like:
mainstream, mastrianni, mastriano, mastroianni, mcdearmon, mcdorman, mcdurman, mcternan, mctiernan, minestrone, mostrom, munsterman, mysterium