disappointed vs discomfited

disappointed is not a noun while discomfited is a noun.

Word	Noun	Adjective	Verb	Adverb
disappointed	No	Yes	No	No
discomfited	Yes	Yes	No	No

As adjectives, disappointed and discomfited are synonyms defined as:

Other synonyms of disappointed include defeated, foiled, frustrated, thwarted.

disappointed (noun)	discomfited (noun)
	people who are defeated

disappointed (adjective)	discomfited (adjective)
disappointingly unsuccessful	disappointingly unsuccessful