want vs need

want and need both are nouns.

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

As nouns, want and need are synonyms defined as:

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

Other hypernyms of want include demand.

As verbs, want and need are synonyms defined as:

Other synonyms of want include require.

want (noun)	need (noun)
a specific feeling of desire	the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior
anything that is necessary but lacking	anything that is necessary but lacking
a state of extreme poverty	a condition requiring relief
the state of needing something that is absent or unavailable	a state of extreme poverty or destitution

want (verb)	need (verb)
wish or demand the presence of	have need of
have need of	have or feel a need for
hunt or look for; want for a particular reason	require as useful, just, or proper
feel or have a desire for; want strongly
be without, lack; be deficient in