crave vs want

crave is not a noun while want is a noun.

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

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

Other hypernyms of crave include desire.

crave (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

crave (verb)	want (verb)
plead or ask for earnestly	wish or demand the presence of
have a craving, appetite, or great desire for	have need of
	hunt or look for; want for a particular reason
	feel or have a desire for; want strongly
	be without, lack; be deficient in