COUNTERATTACKED
Scrabble letter values: C3O1U1N1T1E1R1A1T1T1A1C3K5E1D2 = 24
Definition
COUNTERATTACKED is the past tense of COUNTERATTACK.
noun COUNTERATTACK: an attack by a defending force against an attacking enemy force in order to regain lost ground or cut off enemy advance units etc..
Synonyms of COUNTERATTACK: countermove