realty vs real estate

realty and real estate both are nouns.

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

As nouns, realty and real estate are synonyms defined as:

Other synonyms of realty include immovable, real property.

realty (noun)	real estate (noun)
property consisting of houses and land	property consisting of houses and land