Word: 
Similar-sounding words in the dictionary:
5 letters:
feder, fedor, feher
6 letters:
fairer, father, fecher, fedder, feffer, feller, fenger, fenner, ferrer, fetter, futher, nether, sether, tether
7 letters:
further, heather, leather, pfeffer, raether, weather, whether
8 letters:
feathers, feathery
9 letters:
feathered