Which to use
“sick” is an adjective and “sin” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #31,561
- “sick” frequency rank
- #8,687
- “sin” frequency rank
- 40248
- confusion score
Side-by-Side Comparison
| Feature | sick | sin |
|---|---|---|
| Definition | doente | aquilo, aquele |
Letter map: sick vs sin
Shared letters muted; letters that set sick and sin apart highlighted. Shared run: 2.
Part-of-speech tell for sick / sin
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sick is anadjective and sinapronoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 40248, derived from the frequency rank of both members and their visual similarity.
sick is recorded at frequency rank #31,561, classified as anadj, pronounced /sɪk/. 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 40248, this pair ranks #25,907 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sick vs sin
Shared letters: is. Private to "sick": ck. Private to "sin": n.
"sick" · 4 letters · shape CVCC · "sin" · 3 letters · shape CVC
Known mistypes of this pair
- sick ← isck · scik · sicck · sickk · sikc · ssick
Frequently Asked Questions
Do "sick" and "sin" mean the same thing in a sentence?
Frequency check: "sick" vs "sin" - which ranks higher?
What to do next
Pair "sick" vs "sin" is on the table, pick a follow-up below.
- Full dictionary entry for "sick" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sin" - compare definitions side by side with the headword page. Word entry
- This pair ranks #25,907 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sick" and "sin" also get mixed up with nearby pairs, the highest-scored neighbour is "sick 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 #25,907 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.