landed estate vs real estate

landed estate and real estate both are nouns.

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

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

landed estate: extensive landed property (especially in the country) retained by the owner for his own use
real estate: property consisting of houses and land

Other hypernyms of landed estate include immovable, real property, realty.

landed estate (noun)	real estate (noun)
extensive landed property (especially in the country) retained by the owner for his own use	property consisting of houses and land