restless vs discontent

restless is not a noun while discontent is a noun.

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

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

restless (adjective)	discontent (adjective)
lacking or not affording physical or mental rest	showing or experiencing dissatisfaction or restless longing
worried and uneasy
ceaselessly in motion
nervous and unable to relax

restless (verb)	discontent (verb)
	make dissatisfied