unwilling vs temperament

unwilling is not a noun while temperament is a noun.

Word	Noun	Adjective	Verb	Adverb
unwilling	No	Yes	No	No
temperament	Yes	No	No	No

unwilling (noun)	temperament (noun)
	an adjustment of the intervals (as in tuning a keyboard instrument) so that the scale can be used to play in different keys
	your usual mood
	excessive emotionalism or irritability and excitability (especially when displayed openly)

unwilling (adjective)	temperament (adjective)
not disposed to and refusing to do something
in spite of contrary volition