friendliness vs disposition

friendliness and disposition both are nouns.

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

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

Other hypernyms of friendliness include temperament.

friendliness (noun)	disposition (noun)
a friendly disposition	the act or means of getting rid of something
a feeling of liking for another person; enjoyment in their company	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