registry vs cadaster

registry and cadaster both are nouns.

Word	Noun	Adjective	Verb	Adverb
registry	Yes	No	No	No
cadaster	Yes	No	No	No

As nouns, cadaster is a hyponym of registry; that is, cadaster is a word with a more specific, narrower meaning than registry:

registry: an official written record of names or events or transactions
cadaster: a public register showing the details of ownership and value of land; made for the purpose of taxation

Other hyponyms of registry include cadastre, check register, studbook, rent-roll, regest.

registry (noun)	cadaster (noun)
an official written record of names or events or transactions	a public register showing the details of ownership and value of land; made for the purpose of taxation