realty vs dead hand

realty and dead hand both are nouns.

Word	Noun	Adjective	Verb	Adverb
realty	Yes	No	No	No
dead hand	Yes	No	No	No

As nouns, dead hand is a hyponym of realty; that is, dead hand is a word with a more specific, narrower meaning than realty:

realty: property consisting of houses and land
dead hand: real property held inalienably (as by an ecclesiastical corporation)

Other hyponyms of realty include acres, demesne, estate, land, landed estate, land, mortmain.

realty (noun)	dead hand (noun)
property consisting of houses and land	the oppressive influence of past events or decisions
	real property held inalienably (as by an ecclesiastical corporation)