sci vs ski, What's the Difference?

Which to use

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

#29,904
“sci” frequency rank: #20,135
“ski” frequency rank: 50039
confusion score

Side-by-Side Comparison

Feature	sci	ski
Definition	esqui, placa geralmente de madeira para deslizar na água ou na neve	esqui

Where the eye mixes sci and ski

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch

sci

3 ch

ski

Why the eye confuses sci with ski

A purely visual mix-up. sci (/ˈʃi/) and ski (/ski/, SAMPA: /ski/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - c in “sci” becomes k in “ski”. Our composite confusion score for this pair is 50039, 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/. ski is at rank #20,135, tagged as anoun, pronounced /ski/, SAMPA: /ski/.

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 50039, this pair ranks #14,945 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of sci vs ski

Shared letters: is. Private to "sci": c. Private to "ski": k.

"sci" · 3 letters · shape CCV · "ski" · 3 letters · shape CCV

Frequently Asked Questions

Can "sci" and "ski" be used interchangeably?

No. They are said differently (/ˈʃi/ versus /ski/, SAMPA: /ski/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Frequency check: "sci" vs "ski" - which ranks higher?

"ski" is the more common of the two: it sits at frequency rank #20,135 in our Portuguese list, against #29,904 for "sci". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

Full dictionary entry for "sci" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ski" - compare definitions side by side with the headword page. Word entry
This pair ranks #14,945 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"sci" and "ski" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs sci". Nearby pair

Confusion rank #14,945 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.