College of Cardinals vs Sacred College

College of Cardinals and Sacred College both are nouns.

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

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

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

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

College of Cardinals (noun)	Sacred College (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