nostalgia vs hungriness

nostalgia and hungriness both are nouns.

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

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

Other hypernyms of nostalgia include longing, yearning.

nostalgia (noun)	hungriness (noun)
longing for something past	strong desire for something (not food or drink)
	prolonged unfulfilled desire or need
	a physiological need for food; the consequence of food deprivation