cardinalate vs Sacred College

cardinalate and Sacred College both are nouns.

Word	Noun	Adjective	Verb	Adverb
cardinalate	Yes	No	No	No
Sacred College	Yes	No	No	No

As nouns, cardinalate and Sacred College are synonyms defined as:

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

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

cardinalate (noun)	Sacred College (noun)
the office of cardinal	(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