"Clock off" is a common phrase used by employees to signify the end of their workday. However, there are several other words and phrases that can be used instead of "clock off". One option is to say "punch out", which is a reference to using a time clock to record the end of the shift. Another option is to use the phrase "finish up", which indicates that all work tasks have been completed. "Log out" can also be used if the work was done on a computer. Finally, the phrase "knock off" can be used colloquially to mean the same thing. Overall, there are many ways to express the concept of finishing work for the day without saying "clock off".