clock out vs clock off

clock out and clock off both are verbs.

Word	Noun	Adjective	Verb	Adverb
clock out	No	No	Yes	No
clock off	No	No	Yes	No

As verbs, clock out and clock off are synonyms defined as:

Other synonyms of clock out include punch out.

clock out (verb)	clock off (verb)
register one's departure from work	register one's departure from work