SauvssósWhich spelling fits?

Quick tell: Sau is a noun, sós is an adjective, so they fill different roles in a sentence.

Which to use

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

#49,171
“Sau” frequency rank
#16,887
“sós” frequency rank
66058
confusion score

Side-by-Side Comparison

Feature Sau sós
Definition porco plural de só

Letter map: Sau vs sós

Shared letters muted; letters that set Sau and sós apart highlighted. Shared run: 1. Sau (CVV) and sós (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
Sau
3 ch
sós

Part-of-speech tell for Sau / sós

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Sau is anoun and sósanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 66058, derived from the frequency rank of both members and their visual similarity.

Sau is recorded at frequency rank #49,171, classified as anoun, pronounced /zaʊ̯/. sós is at rank #16,887, tagged as anadj.

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 66058, this pair ranks #5,127 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of Sau vs sós

Shared letters: s. Private to "Sau": au. Private to "sós": ó.

"Sau" · 3 letters · shape CVV  ·  "sós" · 3 letters · shape CVC

Frequently Asked Questions

Can "Sau" and "sós" be used interchangeably?
No - they are not even the same part of speech. "Sau" is a noun and "sós" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Sau" vs "sós" - which ranks higher?
"sós" is the more common of the two: it sits at frequency rank #16,887 in our Portuguese list, against #49,171 for "Sau". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "Sau" vs "sós" is on the table, pick a follow-up below.

  • Full dictionary entry for "Sau" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sós" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #5,127 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "Sau" and "sós" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs soap". Nearby pair

Confusion rank #5,127 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