temperament vs disposition

temperament and disposition both are nouns.

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

As nouns, temperament and disposition are synonyms defined as:

temperament (noun)	disposition (noun)
an adjustment of the intervals (as in tuning a keyboard instrument) so that the scale can be used to play in different keys	the act or means of getting rid of something
your usual mood	your usual mood
excessive emotionalism or irritability and excitability (especially when displayed openly)	a natural or acquired habit or characteristic tendency in a person or thing
	an attitude of mind especially one that favors one alternative over others