disposed vs tending

disposed is not a noun while tending is a noun.

Word	Noun	Adjective	Verb	Adverb
disposed	No	Yes	No	No
tending	Yes	Yes	No	No

As adjectives, disposed and tending are synonyms defined as:

disposed and tending: (usually followed by `to') naturally disposed toward

Other synonyms of disposed include apt, given, minded.

disposed (noun)	tending (noun)
	the work of providing treatment for or attending to someone or something

disposed (adjective)	tending (adjective)
(usually followed by `to') naturally disposed toward	(usually followed by `to') naturally disposed toward
having made preparations