barony vs acres

barony and acres both are nouns.

Word	Noun	Adjective	Verb	Adverb
barony	Yes	No	No	No
acres	Yes	No	No	No

As nouns, acres is a hypernym of barony; that is, acres is a word with a broader meaning than barony:

barony: the estate of a baron
acres: extensive landed property (especially in the country) retained by the owner for his own use

Other hypernyms of barony include demesne, estate, land, landed estate.

barony (noun)	acres (noun)
the domain of a baron	extensive landed property (especially in the country) retained by the owner for his own use
the estate of a baron
the rank or dignity or position of a baronet or baroness