lunula vs ornament

lunula and ornament both are nouns.

Word	Noun	Adjective	Verb	Adverb
lunula	Yes	No	No	No
ornament	Yes	No	Yes	No

As nouns, ornament is a hypernym of lunula; that is, ornament is a word with a broader meaning than lunula:

Other hypernyms of lunula include decoration, ornamentation.

lunula (noun)	ornament (noun)
a crescent-shaped metal ornament of the Bronze Age	something used to beautify
the crescent-shaped area at the base of the human fingernail

lunula (verb)	ornament (verb)
	make more attractive by adding ornament, colour, etc.
	be an ornament to