Figure out
Figure out verb - To find an answer for through reasoning.
Sum
Sum verb - To combine (numbers) into a single sum.
Figure out and sum are semantically related. Sometimes you can use "Figure out" instead a verb "Sum".
Both terms in one sentence
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In Steve Perry's The Man Who Never Missed The Confed's military uses an implosion bomb to finally take out Khadaji, once they figure out that he's the sum total of the 'Shamba Scum' resistance movement.
Source: Weapons That Suck - If at least one company can't figure out how to turn a profit from this new tech, I will create my own company that utilizes the new xeno-tech and force them to compete (and earn a tidy sum for my own organization).
Cite this Source
Sum and Figure out. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/figure_out/sum
Figure out & Sum. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/figure_out/sum>.
Sum or Figure out. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/figure_out/sum.
Google Ngram Viewer shows how "figure out" and "sum" have occurred on timeline