vicar vs vicarial

vicar is a noun but vicarial is not a noun.

Word	Noun	Adjective	Verb	Adverb
vicar	Yes	No	No	No
vicarial	No	Yes	No	No

vicar (noun)	vicarial (noun)
a Roman Catholic priest who acts for another higher-ranking clergyman
(Church of England) a clergyman appointed to act as priest of a parish
(Episcopal Church) a clergyman in charge of a chapel

vicar (adjective)	vicarial (adjective)
	of or relating to or characteristic of a vicar