Fullbright rhymes with:
fulbright, fulbright, woolbright, albright, allbright, fulbright, woolbright, albright, allbright, argabright, fulbright, hambright, lambright, rubright, seabright, waybright, wegbreit, woolbright
Fullbright sounds like:
flabbergast, flabbergasted, flavorist, fulbright