unaffected vs unmannered

unaffected and unmannered both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unaffected	No	Yes	No	No
unmannered	No	Yes	No	No

unaffected (adjective)	unmannered (adjective)
undergoing no change when acted upon	socially incorrect in behavior
free of artificiality; sincere and genuine	without artificiality; natural
emotionally unmoved
unaware of or indifferent to