cheer vs hearten

cheer is a noun but hearten is not a noun.

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

As verbs, cheer and hearten are synonyms defined as:

Other synonyms of cheer include embolden, recreate.

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

cheer (verb)	hearten (verb)
become cheerful	give encouragement to
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