unsociability vs disposition

unsociability and disposition both are nouns.

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

As nouns, disposition is a hypernym of unsociability; that is, disposition is a word with a broader meaning than unsociability:

unsociability: an unsociable disposition; avoiding friendship or companionship
disposition: your usual mood

Other hypernyms of unsociability include temperament.

unsociability (noun)	disposition (noun)
an unsociable disposition; avoiding friendship or companionship	the act or means of getting rid of something
	your usual mood
	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