velleity vs want

velleity and want both are nouns.

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

As nouns, want is a hypernym of velleity; that is, want is a word with a broader meaning than velleity:

Other hypernyms of velleity include wish, wishing.

velleity (noun)	want (noun)
volition in its weakest form	a specific feeling of desire
a mere wish, unaccompanied by effort to obtain	anything that is necessary but lacking
	a state of extreme poverty
	the state of needing something that is absent or unavailable

velleity (verb)	want (verb)
	wish or demand the presence of
	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