Curia vs governing body

Curia and governing body both are nouns.

Word	Noun	Adjective	Verb	Adverb
Curia	Yes	No	No	No
governing body	Yes	No	No	No

As nouns, governing body is a hypernym of Curia; that is, governing body is a word with a broader meaning than Curia:

Curia: (Roman Catholic Church) the central administration governing the Roman Catholic Church
governing body: the persons (or committees or departments etc.) who make up a body for the purpose of administering something

Other hypernyms of Curia include administration, brass, establishment, governance, organisation, organization.

Curia (noun)	governing body (noun)
(Roman Catholic Church) the central administration governing the Roman Catholic Church	the persons (or committees or departments etc.) who make up a body for the purpose of administering something