clergy vs prelature

clergy and prelature both are nouns.

Word	Noun	Adjective	Verb	Adverb
clergy	Yes	No	No	No
prelature	Yes	No	No	No

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

clergy: in Christianity, clergymen collectively (as distinguished from the laity)
prelature: prelates collectively

Other hyponyms of clergy include pastorate, prelacy.

clergy (noun)	prelature (noun)
in Christianity, clergymen collectively (as distinguished from the laity)	the office or station of a prelate
	prelates collectively