clock off vs clock out

clock off and clock out both are verbs.

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

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

Other synonyms of clock off include punch out.

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