HOB
HOBBED
HOBBER
HOBBERS
HOBBIES
HOBBING
HOBBISH
HOBBIT
HOBBITRIES
HOBBITRY
HOBBITS
HOBBLE
HOBBLEBUSH
HOBBLEBUSHES
HOBBLED
HOBBLEDEHOY
HOBBLEDEHOYDOM
HOBBLEDEHOYDOMS
HOBBLEDEHOYHOOD
HOBBLEDEHOYISH
HOBBLEDEHOYISM
HOBBLEDEHOYISMS
HOBBLEDEHOYS
HOBBLER
HOBBLERS
HOBBLES
HOBBLING
HOBBLINGLY
HOBBLINGS
HOBBY
HOBBYHORSE
HOBBYHORSED
HOBBYHORSES
HOBBYHORSING
HOBBYISM
HOBBYISMS
HOBBYIST
HOBBYISTS
HOBBYLESS
HOBDAY
HOBDAYED
HOBDAYING
HOBDAYS
HOBGOBLIN
HOBGOBLINISM
HOBGOBLINISMS
HOBGOBLINRIES
HOBGOBLINRY
HOBGOBLINS
HOBJOB
HOBJOBBED
HOBJOBBER
HOBJOBBERS
HOBJOBBING
HOBJOBBINGS
HOBJOBS
HOBLIKE
HOBNAIL
HOBNAILED
HOBNAILING
HOBNAILS
HOBNOB
HOBNOBBED
HOBNOBBER
HOBNOBBERS
HOBNOBBING
HOBNOBBY
HOBNOBS
HOBO
HOBODOM
HOBODOMS
HOBOED
HOBOES
HOBOING
HOBOISM
HOBOISMS
HOBOS
HOBS

78 words start with HOB.