Is “Chiefdom” a Scrabble word?
Yes
CHIEFDOM
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 Chiefdom
noun
1.An area or region governed by a chief.
2.A society larger than a tribe but smaller or simpler than a state.