starvation vs hungriness

starvation and hungriness both are nouns.

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

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

starvation: a state of extreme hunger resulting from lack of essential nutrients over a prolonged period
hungriness: a physiological need for food; the consequence of food deprivation

Other hypernyms of starvation include hunger.

starvation (noun)	hungriness (noun)
the act of depriving of food or subjecting to famine	strong desire for something (not food or drink)
a state of extreme hunger resulting from lack of essential nutrients over a prolonged period	prolonged unfulfilled desire or need
	a physiological need for food; the consequence of food deprivation