patriarchate vs patriarchy

patriarchate and patriarchy both are nouns.

Word	Noun	Adjective	Verb	Adverb
patriarchate	Yes	No	No	No
patriarchy	Yes	No	No	No

As nouns, patriarchate and patriarchy are synonyms defined as:

patriarchate and patriarchy: a form of social organization in which a male is the family head and title is traced through the male line

patriarchate (noun)	patriarchy (noun)
a form of social organization in which a male is the family head and title is traced through the male line	a form of social organization in which a male is the family head and title is traced through the male line
the jurisdiction of a patriarch