yearn vs want

yearn is not a noun while want is a noun.

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

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

Other hypernyms of yearn include desire.

yearn (noun)	want (noun)
	a specific feeling of desire
	anything that is necessary but lacking
	a state of extreme poverty
	the state of needing something that is absent or unavailable

yearn (verb)	want (verb)
desire strongly or persistently	wish or demand the presence of
have a desire for something or someone who is not present	have need of
have affection for; feel tenderness for	hunt or look for; want for a particular reason
	feel or have a desire for; want strongly
	be without, lack; be deficient in