Topper rhymes with:
stopper, topor, bopper, chopper, clopper, copper, cropper, dropper, gropper, hopper, improper, kopper, opper, popper, proper, propper, shopper, stopper, topor, whopper
Topper sounds like:
tabar, taber, tabor, tafaro, taper, tapper, tauber, tavera, tefra, teper, tepper, teuber, thievery, tiber, tiberi, tiberia, tiberio, tipper, tipperary, tobar, tober, toepfer, topiary, topor, touvier, tovar, tupper, tupperware