ostensorium vs Church of Rome

ostensorium and Church of Rome both are nouns.

Word	Noun	Adjective	Verb	Adverb
ostensorium	Yes	No	No	No
Church of Rome	Yes	No	No	No

ostensorium (noun)	Church of Rome (noun)
(Roman Catholic Church) a vessel (usually of gold or silver) in which the consecrated Host is exposed for adoration	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy