somvssunWhat's the difference?

Which to use

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

#1,134
“som” frequency rank
#7,698
“sun” frequency rank
8832
confusion score

Side-by-Side Comparison

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

Where the eye mixes som and sun

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
som
3 ch
sun

Look-alike desk: som vs sun

A purely visual mix-up. som (/ˈsõ/) and sun (/sʌn/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 8832, 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/. sun is at rank #7,698, tagged as anoun, pronounced /sʌn/.

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 8832, this pair ranks #64,807 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of som vs sun

Shared letters: s. Private to "som": mo. Private to "sun": nu.

"som" · 3 letters · shape CVC  ·  "sun" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "som" for "sun" ever safe?
No. They are said differently (/ˈsõ/ versus /sʌn/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "som" or "sun"?
"som" is the more common of the two: it sits at frequency rank #1,134 in our Portuguese list, against #7,698 for "sun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "som" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #64,807 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "som" and "sun" also get mixed up with nearby pairs, the highest-scored neighbour is "sueño vs sun". Nearby pair

Confusion rank #64,807 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