discontentedness vs hungriness

discontentedness and hungriness both are nouns.

Word	Noun	Adjective	Verb	Adverb
discontentedness	Yes	No	No	No
hungriness	Yes	No	No	No

As nouns, hungriness is a hypernym of discontentedness; that is, hungriness is a word with a broader meaning than discontentedness:

Other hypernyms of discontentedness include longing, yearning.

discontentedness (noun)	hungriness (noun)
a longing for something better than the present situation	strong desire for something (not food or drink)
	prolonged unfulfilled desire or need
	a physiological need for food; the consequence of food deprivation