go off vs go on

go off and go on both are verbs.

Word	Noun	Adjective	Verb	Adverb
go off	No	No	Yes	No
go on	No	No	Yes	No

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

Other hypernyms of go off include come about, fall out, hap, happen, occur, pass, pass off, take place.

go off (verb)	go on (verb)
be discharged or activated	come to pass
happen in a particular manner	continue talking
burst inward	start running, functioning, or operating
go off or discharge	move forward, also in the metaphorical sense
stop running, functioning, or operating	continue a certain state, condition, or activity
run away; usually includes taking something or somebody along