UnscrambleTheWord.cosum
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Is sum a Scrabble word?
Word Games
- Scrabble US/Canada (OTCWL) Yes
- Scrabble UK (SOWPODS) Yes
- Wordle No
- Words With Friends Yes
Scrabble US/Canada (OTCWL) 
Wordle 
Words With Friends What is the meaning of sum?
Definition
noun (English)
1. (often plural) An arithmetic computation, especially one posed to a student as an exercise (not necessarily limited to addition).Examples: "We're learning about division, and the sums are tricky."; "[…] a large sheet of paper […] covered with long sums […]"; ""I think it was a disgraceful performance from a captain that got his sums wrong today, and I think it should never be permitted to happen again.""Synonyms: calculation, computationoftenplural
2. (rare or literary) The utmost degree; the greatest or most perfect realization (of some concept).Examples: "Thus I have told thee all my State, and brought / My Storie to the ſum of earthly bliſs[…]"; "Our wisdom and skill cannot save us from accidents, pains, and from that sum of all fears and distresses—death."Synonyms: summit, apex, apogee, crest, crown, culmen, fastigium, heightliteraryrare
3. (obsolete) An old English measure of corn equal to the quarter.Examples: "The sum is also used for the quarter, and the strike for the bushel."obsolete
verb (English)
1. (transitive) To add together.Examples: "when you say that stability and change are, it's because you're summing them up together as embraced by it, and taking note of the communion each of them has with being."Synonyms: add, add together, add up, cast, count up, foot up, reckon up, sumtransitive
2. (transitive) To give a summary of.Synonyms: sum up, summarizetransitive
Definition source: Wiktionary