extended family vs menage

extended family and menage both are nouns.

Word	Noun	Adjective	Verb	Adverb
extended family	Yes	No	No	No
menage	Yes	No	No	No

As nouns, menage is a hypernym of extended family; that is, menage is a word with a broader meaning than extended family:

extended family: a family consisting of the nuclear family and their blood relatives
menage: a social unit living together

Other hypernyms of extended family include family, home, house, household.

extended family (noun)	menage (noun)
a family consisting of the nuclear family and their blood relatives	a social unit living together