summavssumoWhich spelling fits?

Which to use

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

#36,357
“summa” frequency rank
#26,985
“sumo” frequency rank
63342
confusion score

Side-by-Side Comparison

Feature summa sumo
Definition A comprehensive summary of, or treatise on a subject, especially theology or philosophy. A stylised Japanese form of wrestling in which a wrestler loses if he is forced from the ring, or if any part of his body except the soles of his feet touches the ground.

Letter map: summa vs sumo

Shared letters muted; letters that set summa and sumo apart highlighted. Shared run: 3. summa runs 5 letters (CVCCV) against sumo's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
summa
4 ch
sumo

Corpus notes: summa and sumo

summa and sumo are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 63342, derived from the frequency rank of both members and their visual similarity.

summa is recorded at frequency rank #36,357, classified as anoun. sumo is at rank #26,985, tagged as anoun, pronounced /ˈsuːməʊ/.

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 63342, this pair ranks #83,507 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of summa vs sumo

Shared letters: msu. Private to "summa": a. Private to "sumo": o.

"summa" · 5 letters · shape CVCCV  ·  "sumo" · 4 letters · shape CVCV

Known mistypes of this pair

  • summa ← smuma · ssumma · suma · sumam · usmma
  • sumo ← smuo · ssumo · summo · suom · usmo

Frequently Asked Questions

Do "summa" and "sumo" mean the same thing in a sentence?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "summa" or "sumo" show up more?
"sumo" is the more common of the two: it sits at frequency rank #26,985 in our English list, against #36,357 for "summa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "summa" and "sumo". Here's where to go from here.

  • Full dictionary entry for "summa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sumo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #83,507 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "summa" and "sumo" also get mixed up with nearby pairs, the highest-scored neighbour is "summa vs sura". 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 #83,507 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