need vs call for

need is a noun but call for is not a noun.

Word	Noun	Adjective	Verb	Adverb
need	Yes	No	Yes	No
call for	No	No	Yes	No

As verbs, need and call for are synonyms defined as:

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

need (noun)	call for (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

need (verb)	call for (verb)
have need of	request the participation or presence of
have or feel a need for	express the need or desire for
require as useful, just, or proper	gather or collect
	require as useful, just, or proper