Add
Add verb - To combine (numbers) into a single sum.
Usage example: when she added all the phone charges herself, she discovered an error in her bill
Sum is a synonym for add in addition topic. In some cases you can use "Sum" instead a verb "Add", when it comes to topics like accumulation, increase. popular alternative
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
Both words in one sentence
- Other schools of thought add two more possibilities to sum to eight, possibly nine.
Source: Deadly Nosebleed - The sum of the angles of any obtuse triangle on a Euclidean plane add up to 180°.
Source: Proof by Examples - The sum of the angles of any acute triangle on a Euclidean plane add up to 180°.
Source: Proof by Examples
Cite this Source
Sum and Add. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/add/sum
Add & Sum. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/add/sum>.
Sum or Add. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/add/sum.
Google Ngram Viewer shows how "add" and "sum" have occurred on timeline