devolve vs languish

devolve and languish both are verbs.

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

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

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

devolve (verb)	languish (verb)
grow progressively worse	become feeble
be inherited by	lose vigor, health, or flesh, as through grief
pass on or delegate to another	have a desire for something or someone who is not present