sãovsSmogWhich spelling fits?

Quick tell: são is a adjective, Smog is a noun, so they fill different roles in a sentence.

Which to use

“são” is an adjective and “Smog” is a noun - they look or sound alike but fill different roles in a sentence.

#20,080
“são” frequency rank
#47,734
“Smog” frequency rank
67814
confusion score

Side-by-Side Comparison

Feature são Smog
Definition gesund hohe Konzentration von Schadstoffen in der Luft, wie sie sich über dicht besiedelten Räumen bilden kann

Where the eye mixes são and Smog

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. são runs 3 letters (CVV) against Smog's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
são
4 ch
Smog

Visual trap between são and Smog

These two trip readers on the page rather than in the ear: são is [sɐ̃w] while Smog is [smɔk]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 67814, derived from the frequency rank of both members and their visual similarity.

são is recorded at frequency rank #20,080, classified as anadj, pronounced [sɐ̃w]. Smog is at rank #47,734, tagged as anoun, pronounced [smɔk].

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 67814, this pair ranks #527,921 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of são vs Smog

Shared letters: os. Private to "são": ã. Private to "Smog": gm.

"são" · 3 letters · shape CVV  ·  "Smog" · 4 letters · shape CCVC

Known mistypes of this pair

  • Smog ← msog · smgo · smmog · smogg · somg · ssmog

Frequently Asked Questions

Is swapping "são" for "Smog" ever safe?
No - they are not even the same part of speech. "são" is an adjective and "Smog" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "são" or "Smog"?
"são" is the more common of the two: it sits at frequency rank #20,080 in our German list, against #47,734 for "Smog". 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 "são" and "Smog" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "são" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Smog" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #527,921 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "são" and "Smog" also get mixed up with nearby pairs, the highest-scored neighbour is "seg vs Smog". 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 #527,921 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list