sivssinWhat's the difference?

Which to use

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

#482
“si” frequency rank
#8,687
“sin” frequency rank
9169
confusion score

Side-by-Side Comparison

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

Where the spellings diverge

Shared letters are muted; the letters that actually set si and sin apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

2 ch
si
3 ch
sin

Spelling & Dictionary Insight

si and sin form a confusable pair in the Portuguese index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 extra letter(s) - “si” sits inside “sin” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 9169, derived from the frequency rank of both members and their visual similarity.

si is recorded at frequency rank #482, classified as apron, pronounced /ˈsi/. sin is at rank #8,687, tagged as apron.

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 9169, this pair ranks #64,354 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

si#482
sin#8,687

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "si" and "sin" be used interchangeably?
No, "si" and "sin" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering si vs sin

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “si” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list