Greece vs optative

Greece and optative both are nouns.

Word	Noun	Adjective	Verb	Adverb
Greece	Yes	No	No	No
optative	Yes	Yes	No	No

Greece (noun)	optative (noun)
a republic in southeastern Europe on the southern part of the Balkan peninsula; known for grapes and olives and olive oil	a mood (as in Greek or Sanskrit) that expresses a wish or hope; expressed in English by modal verbs
ancient Greece; a country of city-states (especially Athens and Sparta) that reached its peak in the fifth century BCE

Greece (adjective)	optative (adjective)
	relating to a mood of verbs in some languages
	indicating an option or wish