go for vs concern

go for is not a noun while concern is a noun.

Word	Noun	Adjective	Verb	Adverb
go for	No	No	Yes	No
concern	Yes	No	Yes	No

As verbs, concern is a hypernym of go for; that is, concern is a word with a broader meaning than go for:

Other hypernyms of go for include bear on, come to, have to do with, pertain, refer, relate, touch, touch on.

go for (noun)	concern (noun)
	something that interests you because it is important or affects you
	something or someone that causes anxiety; a source of unhappiness
	a feeling of sympathy for someone or something
	an anxious feeling
	a commercial or industrial enterprise and the people who constitute it

go for (verb)	concern (verb)
intend with some possibility of fulfilment	be relevant to
give an affirmative reply to; respond favorably to	be on the mind of
make an attempt at achieving something
have a fancy or particular liking or desire for
be pertinent or relevant or applicable