saisivsSSIIConfusable pair

Quick tell: saisi is a adjective, SSII is a noun, so they fill different roles in a sentence.

Which to use

“saisi” is an adjective and “SSII” is a noun - they look or sound alike but fill different roles in a sentence.

#5,500
“saisi” frequency rank
#38,545
“SSII” frequency rank
44045
confusion score

Side-by-Side Comparison

Feature saisi SSII
Definition Pris par une étreinte vigoureuse ou subite. Société de services spécialisée en ingénierie informatique.

Where the eye mixes saisi and SSII

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
saisi
4 ch
SSII

Why the eye confuses saisi with SSII

These two trip readers on the page rather than in the ear: saisi is \se.zi\ while SSII is \ɛs.ɛs.dø.zi\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 44045, derived from the frequency rank of both members and their visual similarity.

saisi is recorded at frequency rank #5,500, classified as anadj, pronounced \se.zi\. 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 44045, this pair ranks #213,460 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of saisi vs SSII

Shared letters: is. Private to "saisi": a. Private to "SSII": -.

"saisi" · 5 letters · shape CVVCV  ·  "SSII" · 4 letters · shape CCVV

Known mistypes of this pair

  • saisiasisi · saiis · saissi · sasii · siasi · ssaisi
  • SSIIsii

Frequently Asked Questions

Is swapping "saisi" for "SSII" ever safe?
No - they are not even the same part of speech. "saisi" is an adjective and "SSII" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "saisi" vs "SSII" - which ranks higher?
"saisi" is the more common of the two: it sits at frequency rank #5,500 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.

What to do next

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

  • Full dictionary entry for "saisi" 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 #213,460 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "saisi" 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 #213,460 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