dysphoria vs discontentment

dysphoria and discontentment both are nouns.

Word	Noun	Adjective	Verb	Adverb
dysphoria	Yes	No	No	No
discontentment	Yes	No	No	No

As nouns, discontentment is a hypernym of dysphoria; that is, discontentment is a word with a broader meaning than dysphoria:

Other hypernyms of dysphoria include depression, discontent, discontentedness.

dysphoria (noun)	discontentment (noun)
abnormal depression and discontent	a longing for something better than the present situation