scrumvssumWhich spelling fits?

Which to use

“scrum” and “sum” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#21,057
“scrum” frequency rank
#4,050
“sum” frequency rank
25107
confusion score

Side-by-Side Comparison

Feature scrum sum
Definition A tightly packed and disorderly crowd of people. A quantity obtained by addition or aggregation.

Where the eye mixes scrum and sum

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
scrum
3 ch
sum

Visual trap between scrum and sum

A purely visual mix-up. scrum (/skɹʌm/) and sum (/sʌm/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 25107, derived from the frequency rank of both members and their visual similarity.

scrum is recorded at frequency rank #21,057, classified as anoun, pronounced /skɹʌm/. sum is at rank #4,050, tagged as anoun, pronounced /sʌm/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 25107, this pair ranks #396,875 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of scrum vs sum

Shared letters: msu. Private to "scrum": cr. Private to "sum": -.

"scrum" · 5 letters · shape CCCVC  ·  "sum" · 3 letters · shape CVC

Known mistypes of this pair

  • scrumcsrum · sccrum · scrmu · scrrum · scrumm · scurm · srcum · sscrum

Frequently Asked Questions

Can "scrum" and "sum" be used interchangeably?
No. They are said differently (/skɹʌm/ versus /sʌm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "scrum" or "sum"?
"sum" is the more common of the two: it sits at frequency rank #4,050 in our English list, against #21,057 for "scrum". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "scrum" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #396,875 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "scrum" and "sum" also get mixed up with nearby pairs, the highest-scored neighbour is "scruff vs scrum". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #396,875 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list