Polycast rhymes with:
amcast, broadcast, comcast, downcast, forecast, newscast, outcast, overcast, qualcast, rebroadcast, simulcast, telecast, triplecast, typecast
Polycast sounds like:
palest, palisade, pelchat, philistia, pillaged, placate, placed, placeta, placid, placida, placido, placoid, plagued, plaisted, plaskett, pleased, plichta, plight, ploughed, plucked, plugged, polecat, policed, polished, pool-side, poolside, populist, publicist, publicity, publicized, published