Fedder rhymes with:
feder, fedor, cheddar, deader, eder, feder, fedor, header, leder, lehder, maeder, medar, prijedor, raeder, redder, reder, rehder, schraeder, shredder, spreader, tedder, vedder
Fedder sounds like:
fader, father, fatheree, fatter, feather, feathery, feature, feder, federer, fedor, fedora, feeder, feodor, feodora, fetrow, fetter, fidder, fidora, fitter, fitterer, fittro, fodder, fodera, fodor, footer, footware, footwear, futher, future, fyodor