Singleton's rhymes with:
hamilton's, hamiltons, nettleton's, shackleton's, shackletons, templeton's, carlton's, dalton's, daltons, fulton's, gjelten's, hamilton's, hamiltons, hilton's, hiltons, nettleton's, shackleton's, shackletons, shelton's, sultan's, sultans, templeton's, walton's, waltons