Vicar of Christ vs pontificate

Vicar of Christ and pontificate both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vicar of Christ	Yes	No	No	No
pontificate	Yes	No	Yes	No

Vicar of Christ (noun)	pontificate (noun)
the head of the Roman Catholic Church	the government of the Roman Catholic Church

Vicar of Christ (verb)	pontificate (verb)
	talk in a dogmatic and pompous manner
	administer a pontifical office