Which to use
“sci” is a noun and “sim” is an adverb - they look or sound alike but fill different roles in a sentence.
- #29,904
- “sci” frequency rank
- #147
- “sim” frequency rank
- 30051
- confusion score
Side-by-Side Comparison
| Feature | sci | sim |
|---|---|---|
| Definition | esqui, placa geralmente de madeira para deslizar na água ou na neve | exprime afirmação, acordo, aprovação, permissão ou consentimento |
Where the eye mixes sci and sim
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between sci and sim
These two trip readers on the page rather than in the ear: sci is /ˈʃi/ while sim is /ˈsĩ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 30051, derived from the frequency rank of both members and their visual similarity.
sci is recorded at frequency rank #29,904, classified as anoun, pronounced /ˈʃi/. sim is at rank #147, tagged as anadv, pronounced /ˈsĩ/.
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 30051, this pair ranks #38,410 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sci vs sim
Shared letters: is. Private to "sci": c. Private to "sim": m.
"sci" · 3 letters · shape CCV · "sim" · 3 letters · shape CVC
Frequently Asked Questions
Do "sci" and "sim" mean the same thing in a sentence?
Which is more common, "sci" or "sim"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sci" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sim" - compare definitions side by side with the headword page. Word entry
- This pair ranks #38,410 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sci" and "sim" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs sci". Nearby pair
Confusion rank #38,410 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.