freehold vs landed estate

freehold and landed estate both are nouns.

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

As nouns, landed estate is a hypernym of freehold; that is, landed estate is a word with a broader meaning than freehold:

freehold: an estate held in fee simple or for life
landed estate: extensive landed property (especially in the country) retained by the owner for his own use

Other hypernyms of freehold include acres, demesne, estate, land.

freehold (noun)	landed estate (noun)
tenure by which land is held in fee simple or for life	extensive landed property (especially in the country) retained by the owner for his own use
an estate held in fee simple or for life