want vs thirst

want and thirst both are nouns.

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

As verbs, thirst is a hyponym of want; that is, thirst is a word with a more specific, narrower meaning than want:

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

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