hungriness vs thirstiness

hungriness and thirstiness both are nouns.

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

As nouns, hungriness and thirstiness are synonyms defined as:

hungriness and thirstiness: strong desire for something (not food or drink)

Other synonyms of hungriness include hunger, thirst.

hungriness (noun)	thirstiness (noun)
strong desire for something (not food or drink)	strong desire for something (not food or drink)
prolonged unfulfilled desire or need	a physiological need to drink
a physiological need for food; the consequence of food deprivation	a deficiency of moisture (especially when resulting from a permanent absence of rainfall)