vacate vs step down

vacate and step down both are verbs.

Word	Noun	Adjective	Verb	Adverb
vacate	No	No	Yes	No
step down	No	No	Yes	No

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

Other hypernyms of vacate include leave office, quit, resign.

vacate (verb)	step down (verb)
cancel officially	reduce the level or intensity or size or scope of
leave behind empty; move out of	give up or retire from a position
leave (a job, post, or position) voluntarily