Reckon
Reckon verb - To determine (a value) by doing the necessary mathematical operations.
Usage example: reckoned the runner's pace by dividing her finishing time by the race distance
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
Mutual synonyms
Cite this Source
Sum and Reckon. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/reckon/sum
Reckon & Sum. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/reckon/sum>.
Sum or Reckon. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/reckon/sum.
Google Ngram Viewer shows how "reckon" and "sum" have occurred on timeline