John Henry Newman vs high priest

John Henry Newman and high priest both are nouns.

Word	Noun	Adjective	Verb	Adverb
John Henry Newman	Yes	No	No	No
high priest	Yes	No	No	No

John Henry Newman (noun)	high priest (noun)
English prelate and theologian who (with John Keble and Edward Pusey) founded the Oxford movement; Newman later turned to Roman Catholicism and became a cardinal (1801-1890)	a senior clergyman and dignitary
	a preeminent authority or major proponent of a movement or doctrine