Fitter rhymes with:
aglitter, bitar, bitter, chitter, critter, ditter, embitter, emitter, fritter, gitter, glitter, gritter, hitter, knitter, litter, quitter, ritter, schlitter, schmitter, sitter, titter, transmitter, witter
Fitter sounds like:
fader, father, fatheree, fatter, feather, feathery, feature, fedder, feder, federer, fedor, fedora, feeder, feodor, feodora, fetrow, fetter, fidder, fidora, fitterer, fittro, fodder, fodera, fodor, footer, footware, footwear, futher, future, fyodor