Sum and Work out

Sum

Sum verb - To combine (numbers) into a single sum.
Usage example: can sum figures in his head faster than I can punch them into a calculator

Work out and sum are semantically related. In some cases you can use "Work out" instead a verb "Sum".

Work out

Work out verb - To determine (a value) by doing the necessary mathematical operations.
Usage example: after working out the cost of a college education, we've decided that it's never too early to start saving

Sum and work out are semantically related. Sometimes you can use "Sum" instead a verb "Work out".
Cite this Source
Work out and Sum. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/sum/work_out
Sum & Work out. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/sum/work_out>.
Work out or Sum. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/sum/work_out.
Google Ngram Viewer shows how "sum" and "work out" have occurred on timeline