MATRIARCHATES
Scrabble letter values: M3A1T1R1I1A1R1C3H4A1T1E1S1 = 20
Definition
MATRIARCHATES is the plural of MATRIARCHATE.
noun MATRIARCHATE: a form of social organization in which a female is the family head and title is traced through the female line.
Synonyms of MATRIARCHATE: matriarchy