desire vs thirst

desire and thirst both are nouns.

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

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

Other hyponyms of desire include hunger, hungriness, thirstiness, greed.

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

desire (noun)	thirst (noun)
an inclination to want things	strong desire for something (not food or drink)
the feeling that accompanies an unsatisfied state	a physiological need to drink
something that is desired

desire (verb)	thirst (verb)
feel or have a desire for; want strongly	have a craving, appetite, or great desire for
express a desire for	feel the need to drink
expect and wish