plug into vs insert

plug into is not a noun while insert is a noun.

Word	Noun	Adjective	Verb	Adverb
plug into	No	No	Yes	No
insert	Yes	No	Yes	No

As verbs, insert is a hypernym of plug into; that is, insert is a word with a broader meaning than plug into:

Other hypernyms of plug into include enter, infix, introduce.

plug into (noun)	insert (noun)
	(film) a still picture that is introduced and that interrupts the action of a film
	(broadcasting) a local announcement inserted into a network program
	an artifact that is inserted or is to be inserted
	a folded section placed between the leaves of another publication

plug into (verb)	insert (verb)
plug into an outlet	place, fit, or thrust (something) into another thing
	insert casually
	put or introduce into something
	fit snugly into