plan vs go for

plan is a noun but go for is not a noun.

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

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

Other hyponyms of plan include think out, aim, aspire, draw a bead on, shoot for, hope.

plan (noun)	go for (noun)
scale drawing of a structure
a series of steps to be carried out or goals to be accomplished
an arrangement scheme

plan (verb)	go for (verb)
make plans for something	intend with some possibility of fulfilment
have the will and intention to carry out some action	give an affirmative reply to; respond favorably to
make or work out a plan for; devise	make an attempt at achieving something
	have a fancy or particular liking or desire for
	be pertinent or relevant or applicable