Is “Epact” a Scrabble word?
Yes
EPACT
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 Epact
noun
1.The time (number of days) by which a solar year exceeds twelve lunar months; it is used in the calculation of the date of Easter