hearten vs cheer

hearten is not a noun while cheer is a noun.

Word	Noun	Adjective	Verb	Adverb
hearten	No	No	Yes	No
cheer	Yes	No	Yes	No

As verbs, hearten and cheer are synonyms defined as:

Other synonyms of hearten include embolden, recreate.

hearten (noun)	cheer (noun)
	the quality of being cheerful and dispelling gloom
	a cry or shout of approval

hearten (verb)	cheer (verb)
give encouragement to	become cheerful
	spur on or encourage especially by cheers and shouts
	show approval or good wishes by shouting
	cause (somebody) to feel happier or more cheerful
	give encouragement to