ebony vs ebony

ebony and ebony both are nouns.

Word	Noun	Adjective	Verb	Adverb
ebony	Yes	Yes	No	No
ebony	Yes	Yes	No	No

ebony (noun)	ebony (noun)
a very dark black	a very dark black
tropical tree of southern Asia having hard dark-colored heartwood used in cabinetwork	tropical tree of southern Asia having hard dark-colored heartwood used in cabinetwork
hard dark-colored heartwood of the ebony tree; used in cabinetwork and for piano keys	hard dark-colored heartwood of the ebony tree; used in cabinetwork and for piano keys

ebony (adjective)	ebony (adjective)
of a very dark black	of a very dark black