Furlong rhymes with:
budlong, chamlong, daylong, headlong, hourlong, monthlong, weeklong, birdsong, budlong, chamlong, daylong, headlong, headstrong, hissong, hourlong, hussong, hysong, monthlong, plainsong, scuppernong, ssangyong, weeklong
Furlong sounds like:
farling, forlenza, freehling, freelance, freewheeling, frieling, fruehling, fryling