Don Juan vs noble

Don Juan and noble both are nouns.

Word	Noun	Adjective	Verb	Adverb
Don Juan	Yes	No	No	No
noble	Yes	Yes	No	No

Don Juan (noun)	noble (noun)
a legendary Spanish nobleman and philanderer who became the hero of many poems and plays and operas	a titled peer of the realm
any successful womanizer (after the legendary profligate Spanish nobleman)

Don Juan (adjective)	noble (adjective)
	having or showing or indicative of high or elevated character
	of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times
	impressive in size, manner, or appearance
	inert especially toward oxygen