string along vs go on

string along and go on both are verbs.

Word	Noun	Adjective	Verb	Adverb
string along	No	No	Yes	No
go on	No	No	Yes	No

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

Other hypernyms of string along include advance, march on, move on, pass on, progress.

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