go forth vs pop out

go forth and pop out both are verbs.

Word	Noun	Adjective	Verb	Adverb
go forth	No	No	Yes	No
pop out	No	No	Yes	No

As verbs, pop out is a hyponym of go forth; that is, pop out is a word with a more specific, narrower meaning than go forth:

Other hyponyms of go forth include radiate, leak, escape, fall, debouch, come out, fall out.

go forth (verb)	pop out (verb)
come out of	come out suddenly or forcefully
go away from a place	exit briefly
	bulge outward
	appear suddenly or unexpectedly; happen unexpectedly