Which to use
“sécu” is a noun and “sévi” is a verb - they look or sound alike but fill different roles in a sentence.
- #15,263
- “sécu” frequency rank
- #42,643
- “sévi” frequency rank
- 57906
- confusion score
Side-by-Side Comparison
| Feature | sécu | sévi |
|---|---|---|
| Definition | Sécurité sociale. | Participe passé masculin singulier de sévir. |
Where the eye mixes sécu and sévi
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. sécu and sévi follow the identical consonant-vowel pattern (CVCV). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses sécu with sévi
These two trip readers on the page rather than in the ear: sécu is \se.ky\ while sévi is \se.vi\. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 57906, derived from the frequency rank of both members and their visual similarity.
sécu is recorded at frequency rank #15,263, classified as anoun, pronounced \se.ky\. sévi is at rank #42,643, tagged as averb, pronounced \se.vi\.
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 57906, this pair ranks #112,223 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of sécu vs sévi
Shared letters: sé. Private to "sécu": cu. Private to "sévi": iv.
"sécu" · 4 letters · shape CVCV · "sévi" · 4 letters · shape CVCV
Frequently Asked Questions
Is swapping "sécu" for "sévi" ever safe?
In ordinary French text, does "sécu" or "sévi" show up more?
After this comparison
Eye-level mix-up between "sécu" and "sévi" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sécu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sévi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #112,223 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "sécu" and "sévi" also get mixed up with nearby pairs, the highest-scored neighbour is "Sepp vs sévi". Nearby pair
Confusion rank #112,223 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.