somvssumaConfusable pair

Which to use

“som” and “suma” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,134
“som” frequency rank
#7,978
“suma” frequency rank
9112
confusion score

Side-by-Side Comparison

Feature som suma
Definition onda longitudinal transmitida pela matéria e que podemos ouvir (geralmente entre 20Hz e 20kHz): resumo

Where the eye mixes som and suma

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
som
4 ch
suma

Visual trap between som and suma

A purely visual mix-up. som (/ˈsõ/) and suma (/ˈsu.mɐ/) 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 1 letter(s) in length. Our composite confusion score for this pair is 9112, derived from the frequency rank of both members and their visual similarity.

som is recorded at frequency rank #1,134, classified as anoun, pronounced /ˈsõ/. suma is at rank #7,978, tagged as anoun, pronounced /ˈsu.mɐ/.

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 9112, this pair ranks #64,431 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of som vs suma

Shared letters: ms. Private to "som": o. Private to "suma": au.

"som" · 3 letters · shape CVC  ·  "suma" · 4 letters · shape CVCV

Known mistypes of this pair

  • sumasmua · ssuma · suam · summa · usma

Frequently Asked Questions

Is swapping "som" for "suma" ever safe?
No. They are said differently (/ˈsõ/ versus /ˈsu.mɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "som" or "suma"?
"som" is the more common of the two: it sits at frequency rank #1,134 in our Portuguese list, against #7,978 for "suma". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "som" and "suma" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "som" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suma" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #64,431 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "som" and "suma" also get mixed up with nearby pairs, the highest-scored neighbour is "Sudan vs suma". 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 #64,431 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list