willing vs disposition

willing and disposition both are nouns.

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

willing (noun)	disposition (noun)
the act of making a choice	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

willing (adjective)	disposition (adjective)
disposed or inclined toward
not brought about by coercion or force