Similar-sounding words in the dictionary:
3 letters:
bly
bly
4 letters:
blah, blau, blea, bleu, blew, blow, blue, blur, blye, brae, bray, brey, clay, flay, klay, kley, olay, play, slay, blay
blah, blau, blea, bleu, blew, blow, blue, blur, blye, brae, bray, brey, clay, flay, klay, kley, olay, play, slay, blay
6 letters:
allais, ballet, blaese, blaich, blaine, blaise, blaize, blayne, blayze, blough, boulay, schley, sleigh
allais, ballet, blaese, blaich, blaine, blaise, blaize, blayne, blayze, blough, boulay, schley, sleigh
7 letters:
boulais
boulais