deteriorate vs languish

deteriorate and languish both are verbs.

Word	Noun	Adjective	Verb	Adverb
deteriorate	No	No	Yes	No
languish	No	No	Yes	No

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

Other hyponyms of deteriorate include fatigue, jade, pall, tire, weary, fade, rot, waste.

deteriorate (verb)	languish (verb)
grow progressively worse	become feeble
become worse or disintegrate	lose vigor, health, or flesh, as through grief
	have a desire for something or someone who is not present