BUG
BUGABOO
BUGABOOS
BUGBANE
BUGBANES
BUGBEAR
BUGBEARS
BUGEYE
BUGEYES
BUGGAN
BUGGANE
BUGGANES
BUGGANS
BUGGED
BUGGER
BUGGERED
BUGGERIES
BUGGERING
BUGGERS
BUGGERY
BUGGIER
BUGGIES
BUGGIEST
BUGGIN
BUGGINESS
BUGGINESSES
BUGGING
BUGGINGS
BUGGINS
BUGGY
BUGHOUSE
BUGHOUSES
BUGLE
BUGLED
BUGLER
BUGLERS
BUGLES
BUGLET
BUGLETS
BUGLEWEED
BUGLEWEEDS
BUGLING
BUGLOSS
BUGLOSSES
BUGONG
BUGONGS
BUGOUT
BUGOUTS
BUGS
BUGSEED
BUGSEEDS
BUGSHA
BUGSHAS
BUGWORT
BUGWORTS

55 words start with BUG.