LUG
LUGE
LUGED
LUGEING
LUGEINGS
LUGER
LUGERS
LUGES
LUGGABLE
LUGGABLES
LUGGAGE
LUGGAGES
LUGGED
LUGGER
LUGGERS
LUGGIE
LUGGIES
LUGGING
LUGHOLE
LUGHOLES
LUGING
LUGINGS
LUGS
LUGSAIL
LUGSAILS
LUGUBRIOUS
LUGUBRIOUSLY
LUGUBRIOUSNESS
LUGWORM
LUGWORMS

30 words start with LUG.