call for vs cost

call for is not a noun while cost is a noun.

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

As verbs, cost is a hyponym of call for; that is, cost is a word with a more specific, narrower meaning than call for:

Other hyponyms of call for include claim, exact, take, govern, draw, cry for, cry out for, compel.

call for (noun)	cost (noun)
	the property of having material worth (often indicated by the amount of money something would bring if sold)
	value measured by what must be given or done or undergone to obtain something
	the total spent for goods or services including money and time and labor

call for (verb)	cost (verb)
request the participation or presence of	be priced at
express the need or desire for	require to lose, suffer, or sacrifice
gather or collect
require as useful, just, or proper