Shreveport rhymes with:
airport, allport, bridgeport, cambridgeport, carport, coudersport, davenport, freeport, gumport, kennebunkport, kingsport, lamport, lockport, lufttransport, massport, mckeesport, passport, purport, rapaport, reexport, rockport, seaport, shippingport, southport, spaceport, westport, williamsport
Shreveport sounds like:
scherbarth, scoreboard, sherbert, shorebird, surfboard