scivsSSIIWhich spelling fits?

Which to use

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

#17,003
“sci” frequency rank
#38,545
“SSII” frequency rank
55548
confusion score

Side-by-Side Comparison

Feature sci SSII
Definition Ski, patin très long, légèrement recourbé en avant, qui sert à glisser sur la neige. Société de services spécialisée en ingénierie informatique.

Where the eye mixes sci and SSII

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

3 ch
sci
4 ch
SSII

Look-alike desk: sci vs SSII

A purely visual mix-up. sci (\ˈʃi\) and SSII (\ɛs.ɛs.dø.zi\) 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 1 letter(s) in length. Our composite confusion score for this pair is 55548, derived from the frequency rank of both members and their visual similarity.

sci is recorded at frequency rank #17,003, classified as anoun, pronounced \ˈʃi\. SSII is at rank #38,545, tagged as anoun, pronounced \ɛs.ɛs.dø.zi\.

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 55548, this pair ranks #126,801 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sci vs SSII

Shared letters: is. Private to "sci": c. Private to "SSII": -.

"sci" · 3 letters · shape CCV  ·  "SSII" · 4 letters · shape CCVV

Known mistypes of this pair

Frequently Asked Questions

Is swapping "sci" for "SSII" ever safe?
No. They are said differently (\ˈʃi\ versus \ɛs.ɛs.dø.zi\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sci" or "SSII"?
"sci" is the more common of the two: it sits at frequency rank #17,003 in our French list, against #38,545 for "SSII". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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 "SSII" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #126,801 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sci" and "SSII" also get mixed up with nearby pairs, the highest-scored neighbour is "SSII vs SSR". 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 #126,801 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list