pop in vs go into

pop in and go into both are verbs.

Word	Noun	Adjective	Verb	Adverb
pop in	No	No	Yes	No
go into	No	No	Yes	No

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

Other hypernyms of pop in include come in, enter, get in, get into, go in, move into.

pop in (verb)	go into (verb)
enter briefly	to come or go into
	be used or required for