Is “Concuss” a Scrabble word?
Yes
CONCUSS
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 Concuss
/kənˈkʌs/
verb
1.To injure the brain of, usually temporarily, by violent impact.
“The blow will concuss him.”
2.To force to do something, or give up something, by intimidation; to coerce.