quit vs step down

quit and step down both are verbs.

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

As verbs, quit and step down are synonyms defined as:

Other synonyms of quit include leave office, resign.

quit (verb)	step down (verb)
give up in the face of defeat of lacking hope; admit defeat	reduce the level or intensity or size or scope of
go away or leave	give up or retire from a position
turn away from; give up
give up or retire from a position
put an end to a state or an activity