Roman Church vs Eusebius Sophronius Hieronymus

Roman Church and Eusebius Sophronius Hieronymus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Roman Church	Yes	No	No	No
Eusebius Sophronius Hieronymus	Yes	No	No	No

Roman Church (noun)	Eusebius Sophronius Hieronymus (noun)
the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy	(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)