HAS
HASBIAN
HASBIANS
HASENPFEFFER
HASENPFEFFERS
HASH
HASHED
HASHEESH
HASHEESHES
HASHES
HASHHEAD
HASHHEADS
HASHIER
HASHIEST
HASHING
HASHISH
HASHISHES
HASHMARK
HASHMARKS
HASHY
HASK
HASKS
HASLET
HASLETS
HASP
HASPED
HASPING
HASPS
HASSAR
HASSARS
HASSEL
HASSELS
HASSIUM
HASSIUMS
HASSLE
HASSLED
HASSLES
HASSLING
HASSOCK
HASSOCKS
HASSOCKY
HAST
HASTA
HASTATE
HASTATED
HASTATELY
HASTE
HASTED
HASTEFUL
HASTEFULLY
HASTEN
HASTENED
HASTENER
HASTENERS
HASTENING
HASTENS
HASTES
HASTIER
HASTIEST
HASTILY
HASTINESS
HASTINESSES
HASTING
HASTINGS
HASTY

65 words start with HAS.