Yes, home is playable
...and is worth 9 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Home" Definition
noun
A dwelling place together with the family or social unit that occupies it; a household.
A headquarters; a home base.
A place where one lives; a residence.
A valued place regarded as a refuge or place of origin.
An environment offering security and happiness.
idiom
At home Available to receive visitors: at home on Thursdays.
At home Comfortable and relaxed; at ease: at home in diplomatic circles.
At home Feeling an easy competence and familiarity: at home in French.
Home free Out of jeopardy; assured of success: We had our hardest exams first and were home free after that.
adverb
At, to, or toward the direction of home: going home for lunch.
On or into the point at which something is directed: The arrow struck home.
To the center or heart of something; deeply: Your comments really hit home.
To a final, closed, or ultimate position .
adjective
Of, relating to, or being a place of origin or headquarters: the home office.
Of, relating to, or being the keys used as base positions for the fingers in touch-typing: The home row on a standard keyboard consists of the keys for A, S, D, F, J, K, L, and ;.
Taking place in the home: home care for the elderly.
Of, relating to, or being a home, place of origin, or base of operations .
Prepared, done, or designed for use in a home .
verb-intransitive
To be guided to a target automatically, as by means of radio waves.
To move or lead toward a goal: The investigators were homing in on the truth.