Is “Attache” a Scrabble word?
Yes
ATTACHE
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 Attache
/æ.tæˈʃe/
noun
1.A diplomatic officer, usually one who plays a specific role.
“Little did anyone suspect that the military attaché was one of the world's craftiest spies.”