Is “Rabbi” a Scrabble word?
Yes
RABBI
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Rabbi
/ˈɹæ.baɪ/
noun
1.A Jewish scholar or teacher of halacha (Jewish law), capable of making halachic decisions.
2.A Jew who is or is qualified to be the leader of a Jewish congregation.
3.(police) A senior officer who acts as a mentor.