walk in vs come in

walk in and come in both are verbs.

Word	Noun	Adjective	Verb	Adverb
walk in	No	No	Yes	No
come in	No	No	Yes	No

As verbs, come in is a hypernym of walk in; that is, come in is a word with a broader meaning than walk in:

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

walk in (verb)	come in (verb)
enter by walking	take a place in a competition; often followed by an ordinal
	to insert between other elements
	be received
	to come or go into
	come into fashion; become fashionable