step out vs go out

step out and go out both are verbs.

Word	Noun	Adjective	Verb	Adverb
step out	No	No	Yes	No
go out	No	No	Yes	No

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

Other hypernyms of step out include exit, get out, leave.

step out (verb)	go out (verb)
go outside a room or building for a short period of time	become extinguished
	move out of or depart from
	take the field
	leave the house to go somewhere
	date regularly; have a steady relationship with
	go out of fashion; become unfashionable