saivssusWhat's the difference?

Which to use

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

#998
“sai” frequency rank
#7,578
“sus” frequency rank
8576
confusion score

Side-by-Side Comparison

Feature sai sus
Definition expressão que comunica que se deseja que se afaste, que deixe em paz interjeição que demonstra impaciência (século XVI)

Letter map: sai vs sus

Shared letters muted; letters that set sai and sus apart highlighted. Shared run: 1.

3 ch
sai
3 ch
sus

Corpus notes: sai and sus

sai and sus are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 8576, derived from the frequency rank of both members and their visual similarity.

sai is recorded at frequency rank #998, classified as anintj. sus is at rank #7,578, tagged as anintj.

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 8576, this pair ranks #65,145 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sai vs sus

Shared letters: s. Private to "sai": ai. Private to "sus": u.

"sai" · 3 letters · shape CVV  ·  "sus" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "sai" for "sus" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary Portuguese text, does "sai" or "sus" show up more?
"sai" is the more common of the two: it sits at frequency rank #998 in our Portuguese list, against #7,578 for "sus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "sai" and "sus". Here's where to go from here.

  • Full dictionary entry for "sai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #65,145 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sai" and "sus" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs sus". Nearby pair

Confusion rank #65,145 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