LI
LIABILITIES
LIABILITY
LIABLE
LIABLENESS
LIABLENESSES
LIAISE
LIAISED
LIAISES
LIAISING
LIAISON
LIAISONS
LIANA
LIANAS
LIANE
LIANES
LIANG
LIANGS
LIANOID
LIAR
LIARD
LIARDS
LIARS
LIART
LIAS
LIASES
LIATRIS
LIATRISES

28 words start with LIA.