Williamsport rhymes with:
kingsport, massport, mckeesport, passport, reexport, spaceport, airport, allport, bridgeport, cambridgeport, carport, coudersport, davenport, freeport, gumport, kennebunkport, kingsport, lamport, lockport, lufttransport, massport, mckeesport, passport, purport, rapaport, reexport, rockport, seaport, shippingport, shreveport, southport, spaceport, westport