want vs deficit

want and deficit both are nouns.

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

As nouns, deficit is a hyponym of want; that is, deficit is a word with a more specific, narrower meaning than want:

Other hyponyms of want include absence, dearth, famine, shortage, mineral deficiency, shortness, stringency, tightness.

want (noun)	deficit (noun)
a specific feeling of desire	the property of being an amount by which something is less than expected or required
anything that is necessary but lacking	an excess of liabilities over assets (usually over a certain period)
a state of extreme poverty	(sports) the score by which a team or individual is losing
the state of needing something that is absent or unavailable	a deficiency or failure in neurological or mental functioning

want (verb)	deficit (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