disheartenment vs despair

disheartenment and despair both are nouns.

Word	Noun	Adjective	Verb	Adverb
disheartenment	Yes	No	No	No
despair	Yes	No	Yes	No

As nouns, despair is a hypernym of disheartenment; that is, despair is a word with a broader meaning than disheartenment:

disheartenment: the feeling of despair in the face of obstacles
despair: the feeling that everything is wrong and nothing will turn out well

disheartenment (noun)	despair (noun)
a communication that leaves you disheartened or daunted	the feeling that everything is wrong and nothing will turn out well
the feeling of despair in the face of obstacles	a state in which all hope is lost or absent

disheartenment (verb)	despair (verb)
	abandon hope; give up hope; lose heart