fade vs languish

fade is a noun but languish is not a noun.

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

As verbs, fade and languish are synonyms defined as:

fade (noun)	languish (noun)
gradually ceasing to be visible
a golf shot that curves to the right for a right-handed golfer

fade (verb)	languish (verb)
become feeble	become feeble
disappear gradually	lose vigor, health, or flesh, as through grief
lose freshness, vigor, or vitality	have a desire for something or someone who is not present
become less clearly visible or distinguishable; disappear gradually or seemingly