Word: 
Similar-sounding words in the dictionary:
3 letters:
raf, ref, rib, ric, rid, rig, rim, rip, ruf, rys
4 letters:
biff, diff, raff, rear, reef, reif, rhin, rich, rick, rife, rift, rill, ring, rish, roof, ruff, tiff, writ, riff
5 letters:
griff, liffe, ridge, rough, whiff, wring
6 letters:
writhe