Sacred College vs College of Cardinals

Sacred College and College of Cardinals both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sacred College	Yes	No	No	No
College of Cardinals	Yes	No	No	No

As nouns, Sacred College and College of Cardinals are synonyms defined as:

Sacred College and College of Cardinals: (Roman Catholic Church) the body of all cardinals of the church; elects and advises the pope

Other synonyms of Sacred College include cardinalate, Sacred College of Cardinals.

Sacred College (noun)	College of Cardinals (noun)
(Roman Catholic Church) the body of all cardinals of the church; elects and advises the pope	(Roman Catholic Church) the body of all cardinals of the church; elects and advises the pope