Which to use
“SDIS” and “soirs” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #44,180
- “SDIS” frequency rank
- #5,924
- “soirs” frequency rank
- 50104
- confusion score
Side-by-Side Comparison
| Feature | SDIS | soirs |
|---|---|---|
| Definition | Service départemental d’incendie et de secours, chargé dans un département d’analyser les risques et d’organiser les services de secours. | Pluriel de soir. |
Letter map: SDIS vs soirs
Shared letters muted; letters that set SDIS and soirs apart highlighted. Shared run: 3. SDIS runs 4 letters (CCVC) against soirs's 5 (CVVCC) - the length gap alone is often enough to separate them once you know to check it.
Pair insight - SDIS / soirs
SDIS and soirs are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 50104, derived from the frequency rank of both members and their visual similarity.
SDIS is recorded at frequency rank #44,180, classified as anoun. soirs is at rank #5,924, tagged as anoun, pronounced \swaʁ\.
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 50104, this pair ranks #165,294 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of SDIS vs soirs
Shared letters: is. Private to "SDIS": d. Private to "soirs": or.
"SDIS" · 4 letters · shape CCVC · "soirs" · 5 letters · shape CVVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "SDIS" for "soirs" ever safe?
Which is more common, "SDIS" or "soirs"?
What to do next
Pair "SDIS" vs "soirs" is on the table, pick a follow-up below.
- Full dictionary entry for "SDIS" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "soirs" - compare definitions side by side with the headword page. Word entry
- This pair ranks #165,294 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "SDIS" and "soirs" also get mixed up with nearby pairs, the highest-scored neighbour is "SDIS vs spi". 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 #165,294 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.