Is “Exogamy” a Scrabble word?
Yes
EXOGAMY
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 Exogamy
noun
1.Marriage to a person belonging to a tribe or group other than one's own as required by custom or law
2.The fusion of two unrelated gametes