unfriendliness vs disposition

unfriendliness and disposition both are nouns.

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

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

Other hypernyms of unfriendliness include temperament.

unfriendliness (noun)	disposition (noun)
an unfriendly disposition	the act or means of getting rid of something
dislike experienced as an absence of friendliness	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