require vs need

require is not a noun while need is a noun.

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

As verbs, require and need are synonyms defined as:

Other synonyms of require include want.

As verbs, require and need are synonyms defined as:

Other synonyms of require include ask, call for, demand, involve, necessitate, postulate, take.

require (noun)	need (noun)
	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
	a condition requiring relief
	a state of extreme poverty or destitution

require (verb)	need (verb)
make someone do something	have need of
consider obligatory; request and expect	have or feel a need for
have need of	require as useful, just, or proper
require as useful, just, or proper