disagreeableness vs temperament

disagreeableness and temperament both are nouns.

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

As nouns, temperament is a hypernym of disagreeableness; that is, temperament is a word with a broader meaning than disagreeableness:

Other hypernyms of disagreeableness include disposition.

disagreeableness (noun)	temperament (noun)
an ill-tempered and offensive disposition	an adjustment of the intervals (as in tuning a keyboard instrument) so that the scale can be used to play in different keys
the quality of being disagreeable and unpleasant	your usual mood
	excessive emotionalism or irritability and excitability (especially when displayed openly)