thirst vs want

thirst and want both are nouns.

Word	Noun	Adjective	Verb	Adverb
thirst	Yes	No	Yes	No
want	Yes	No	Yes	No

As verbs, want is a hypernym of thirst; that is, want is a word with a broader meaning than thirst:

Other hypernyms of thirst include desire.

thirst (noun)	want (noun)
strong desire for something (not food or drink)	a specific feeling of desire
a physiological need to drink	anything that is necessary but lacking
	a state of extreme poverty
	the state of needing something that is absent or unavailable

thirst (verb)	want (verb)
have a craving, appetite, or great desire for	wish or demand the presence of
feel the need to drink	have need of
	hunt or look for; want for a particular reason
	feel or have a desire for; want strongly
	be without, lack; be deficient in