saivssoirConfusable pair

Quick tell: sai is a intj, soir is a noun, so they fill different roles in a sentence.

Which to use

“sai” is an intj and “soir” is a noun - they look or sound alike but fill different roles in a sentence.

#998
“sai” frequency rank
#47,619
“soir” frequency rank
48617
confusion score

Side-by-Side Comparison

Feature sai soir
Definition expressão que comunica que se deseja que se afaste, que deixe em paz noite (período entre o anoitecer e a meia-noite)

Letter map: sai vs soir

Shared letters muted; letters that set sai and soir apart highlighted. Shared run: 2. sai runs 3 letters (CVV) against soir's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
sai
4 ch
soir

Role in the sentence - sai and soir

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sai is anintj and soiranoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 48617, derived from the frequency rank of both members and their visual similarity.

sai is recorded at frequency rank #998, classified as anintj. soir is at rank #47,619, tagged as anoun, pronounced \swaʁ\.

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 48617, this pair ranks #16,554 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of sai vs soir

Shared letters: is. Private to "sai": a. Private to "soir": or.

"sai" · 3 letters · shape CVV  ·  "soir" · 4 letters · shape CVVC

Known mistypes of this pair

  • soir ← osir · sior · soirr · sori · ssoir

Frequently Asked Questions

Do "sai" and "soir" mean the same thing in a sentence?
No - they are not even the same part of speech. "sai" is an intj and "soir" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "sai" or "soir" show up more?
"sai" is the more common of the two: it sits at frequency rank #998 in our Portuguese list, against #47,619 for "soir". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "sai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "soir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #16,554 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sai" and "soir" also get mixed up with nearby pairs, the highest-scored neighbour is "soap vs soir". 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 #16,554 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