soirvssumirTell them apart

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

Which to use

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

#47,619
“soir” frequency rank
#11,746
“sumir” frequency rank
59365
confusion score

Side-by-Side Comparison

Feature soir sumir
Definition noite (período entre o anoitecer e a meia-noite) desaparecer, deixar de existir

Letter map: soir vs sumir

Shared letters muted; letters that set soir and sumir apart highlighted. Shared run: 3.

4 ch
soir
5 ch
sumir

Grammar separator: soir vs sumir

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: soir is anoun and sumiraverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59365, derived from the frequency rank of both members and their visual similarity.

soir is recorded at frequency rank #47,619, classified as anoun, pronounced \swaʁ\. sumir is at rank #11,746, tagged as averb.

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 59365, this pair ranks #8,219 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of soir vs sumir

Shared letters: irs. Private to "soir": o. Private to "sumir": mu.

"soir" · 4 letters · shape CVVC  ·  "sumir" · 5 letters · shape CVCVC

Known mistypes of this pair

  • soirosir · sior · soirr · sori · ssoir
  • sumirsmuir · ssumir · suimr · sumirr · summir · sumri · usmir

Frequently Asked Questions

Is swapping "soir" for "sumir" ever safe?
No - they are not even the same part of speech. "soir" is a noun and "sumir" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "soir" vs "sumir" - which ranks higher?
"sumir" is the more common of the two: it sits at frequency rank #11,746 in our Portuguese list, against #47,619 for "soir". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "soir" vs "sumir" is on the table, pick a follow-up below.

  • Full dictionary entry for "soir" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sumir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #8,219 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "soir" and "sumir" 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 #8,219 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