landed estate vs acres

landed estate and acres both are nouns.

Word	Noun	Adjective	Verb	Adverb
landed estate	Yes	No	No	No
acres	Yes	No	No	No

As nouns, landed estate and acres are synonyms defined as:

landed estate and acres: extensive landed property (especially in the country) retained by the owner for his own use

Other synonyms of landed estate include demesne, estate, land.

landed estate (noun)	acres (noun)
extensive landed property (especially in the country) retained by the owner for his own use	extensive landed property (especially in the country) retained by the owner for his own use