neediness vs want

neediness and want both are nouns.

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

As nouns, neediness and want are synonyms defined as:

Other synonyms of neediness include deprivation, privation.

neediness (noun)	want (noun)
the quality of needing attention and affection and reassurance to a marked degree	a specific feeling of desire
a state of extreme poverty	anything that is necessary but lacking
	a state of extreme poverty
	the state of needing something that is absent or unavailable

neediness (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