Similar-sounding words in the dictionary:
8 letters:
blew but,
bluebook,
blue but,
blue cup,
blue cut,
blue did,
brew pub,
clued up,
clue but,
crew but,
crew cut,
crew did,
crude it,
drew but,
drew did,
glued it,
glue but,
grew but,
group ib,
group id,
group it,
true bug,
true but 