St. Jerome vs theologist

St. Jerome and theologist both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Jerome	Yes	No	No	No
theologist	Yes	No	No	No

St. Jerome (noun)	theologist (noun)
(Roman Catholic Church) one of the great Fathers of the early Christian Church whose major work was his translation of the Scriptures from Hebrew and Greek into Latin (which became the Vulgate); a saint and Doctor of the Church (347-420)	someone who is learned in theology or who speculates about theology