displeased vs discontent

displeased is not a noun while discontent is a noun.

Word	Noun	Adjective	Verb	Adverb
displeased	No	Yes	No	No
discontent	Yes	Yes	Yes	No

displeased (noun)	discontent (noun)
	a longing for something better than the present situation

displeased (adjective)	discontent (adjective)
not pleased; experiencing or manifesting displeasure	showing or experiencing dissatisfaction or restless longing

displeased (verb)	discontent (verb)
	make dissatisfied