ravenousness vs hungriness

ravenousness and hungriness both are nouns.

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

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

ravenousness: excessive desire to eat
hungriness: a physiological need for food; the consequence of food deprivation

Other hypernyms of ravenousness include hunger.

ravenousness (noun)	hungriness (noun)
excessive desire to eat	strong desire for something (not food or drink)
	prolonged unfulfilled desire or need
	a physiological need for food; the consequence of food deprivation