sinvssingConfusable pair

Quick tell: sin is a pronoun, sing is a verb, so they fill different roles in a sentence.

Which to use

“sin” is a pronoun and “sing” is a verb - they look or sound alike but fill different roles in a sentence.

#8,687
“sin” frequency rank
#20,435
“sing” frequency rank
29122
confusion score

Side-by-Side Comparison

Feature sin sing
Definition aquilo, aquele cantar

Letter map: sin vs sing

Shared letters muted; letters that set sin and sing apart highlighted. Shared run: 3.

3 ch
sin
4 ch
sing

Part-of-speech tell for sin / sing

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sin is apronoun and singaverb. On the page they differ by 1 extra letter(s) - “sin” sits inside “sing”. Our composite confusion score for this pair is 29122, derived from the frequency rank of both members and their visual similarity.

sin is recorded at frequency rank #8,687, classified as apron. sing is at rank #20,435, 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 29122, this pair ranks #39,578 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sin vs sing

Shared letters: ins. Private to "sin": -. Private to "sing": g.

"sin" · 3 letters · shape CVC  ·  "sing" · 4 letters · shape CVCC

Known mistypes of this pair

  • singisng · sign · singg · sinng · snig · ssing

Frequently Asked Questions

Is swapping "sin" for "sing" ever safe?
No - they are not even the same part of speech. "sin" is a pronoun and "sing" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "sin" or "sing" show up more?
"sin" is the more common of the two: it sits at frequency rank #8,687 in our Portuguese list, against #20,435 for "sing". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "sin" vs "sing" is on the table, pick a follow-up below.

  • Full dictionary entry for "sin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sing" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #39,578 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sin" and "sing" also get mixed up with nearby pairs, the highest-scored neighbour is "sing vs sire". 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 #39,578 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