close in vs go on

close in and go on both are verbs.

Word	Noun	Adjective	Verb	Adverb
close in	No	No	Yes	No
go on	No	No	Yes	No

As verbs, go on is a hypernym of close in; that is, go on is a word with a broader meaning than close in:

Other hypernyms of close in include advance, march on, move on, pass on, progress.

close in (verb)	go on (verb)
surround completely	come to pass
advance or converge on	continue talking
	start running, functioning, or operating
	move forward, also in the metaphorical sense
	continue a certain state, condition, or activity