sivssitoTell them apart

Quick tell: si is a pronoun, sito is an adjective, so they fill different roles in a sentence.

Which to use

“si” is a pronoun and “sito” is an adjective - they look or sound alike but fill different roles in a sentence.

#482
“si” frequency rank
#30,723
“sito” frequency rank
31205
confusion score

Side-by-Side Comparison

Feature si sito
Definition refere-se à terceira pessoa, indica reflexividade e é usado após preposição (a, de, em, contra, sobre, por, etc., exceto com) situado

Letter map: si vs sito

Shared letters muted; letters that set si and sito apart highlighted. Shared run: 2.

2 ch
si
4 ch
sito

Grammar separator: si vs sito

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: si is apronoun and sitoanadjective. On the page they differ by 2 extra letter(s) - “si” sits inside “sito”. Our composite confusion score for this pair is 31205, derived from the frequency rank of both members and their visual similarity.

si is recorded at frequency rank #482, classified as apron, pronounced /ˈsi/. sito is at rank #30,723, 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 31205, this pair ranks #36,952 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of si vs sito

Shared letters: is. Private to "si": -. Private to "sito": ot.

"si" · 2 letters · shape CV  ·  "sito" · 4 letters · shape CVCV

Known mistypes of this pair

  • sitosiot · sitto · ssito · stio

Frequently Asked Questions

Do "si" and "sito" mean the same thing in a sentence?
No - they are not even the same part of speech. "si" is a pronoun and "sito" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "si" or "sito" show up more?
"si" is the more common of the two: it sits at frequency rank #482 in our Portuguese list, against #30,723 for "sito". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "si" and "sito".

  • Full dictionary entry for "si" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sito" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #36,952 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "si" and "sito" also get mixed up with nearby pairs, the highest-scored neighbour is "sire vs sito". 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 #36,952 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