Is “Circa” a Scrabble word?
Yes
CIRCA
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 Circa
/ˈsɜːkə/
preposition
1.Approximately, about, around (typically in relation to time)
“Julius Caesar visited this area circa 50 BC.”