wistfulness vs hungriness

wistfulness and hungriness both are nouns.

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

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

Other hypernyms of wistfulness include longing, yearning.

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