landed estate vs real property

landed estate and real property both are nouns.

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

As nouns, real property is a hypernym of landed estate; that is, real property 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 property: property consisting of houses and land

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

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