thirstiness vs hungriness

thirstiness and hungriness both are nouns.

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

As nouns, thirstiness and hungriness are synonyms defined as:

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

Other synonyms of thirstiness include hunger, thirst.

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