Word: 
Similar-sounding words in the dictionary:
3 letters:
big
4 letters:
bigs
5 letters:
beger, biggs, bitar, boger, buser, rigor, sigur, vigor
6 letters:
beggar, berger, bicker, bidder, bierer, biggie, bilger, biller, binger, binner, bisher, bither, bitter, boeger, bugger, burger, digger, bigger
7 letters:
biggers, burgher