uncommon vs unwonted

uncommon and unwonted both are adjectives.

Word	Noun	Adjective	Verb	Adverb
uncommon	No	Yes	No	No
unwonted	No	Yes	No	No

uncommon (adjective)	unwonted (adjective)
not common or ordinarily encountered; unusually great in amount or remarkable in character or kind	unaccustomed or unusual
marked by an uncommon quality; especially superlative or extreme of its kind