languish vs yearn

languish and yearn both are verbs.

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

As verbs, languish and yearn are synonyms defined as:

languish and yearn: have a desire for something or someone who is not present

Other synonyms of languish include ache, pine, yen.

As verbs, yearn is a hypernym of languish; that is, yearn is a word with a broader meaning than languish:

Other hypernyms of languish include hanker, long.

languish (verb)	yearn (verb)
become feeble	desire strongly or persistently
lose vigor, health, or flesh, as through grief	have a desire for something or someone who is not present
have a desire for something or someone who is not present	have affection for; feel tenderness for