SDIS
The verdict
“SDIS” is a moderately-common French word, ranked #44,180 in French word frequency and used as a noun.
- #44,180
- frequency rank, French
- 4
- letters
- 6
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Service départemental d’incendie et de secours, chargé dans un département d’analyser les risques et d’organiser les services de secours.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | SDIS |
| Language | French |
| Part of speech | Noun |
| Letters | 4 |
| Frequency rank | #44,180 |
| Misspellings tracked | 6 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “SDIS” sits in French frequency
Spelling & Dictionary Insight
The French entry for SDIS is 4 letters long, classified as a noun. Corpus data places it at rank #44,180 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Service départemental d’incendie et de secours, chargé dans un département d’analyser les risques et d’organiser les services de secours.".
Our generated misspelling index lists 6 likely wrong-spelling variants for SDIS, with forms such as "dsis", "sddis", and "sdiss". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "si", "ss", "ses", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
No borrowing history is documented for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is SDIS, spelled S-D-I-S.
Definition
- 1Service départemental d’incendie et de secours, chargé dans un département d’analyser les risques et d’organiser les services de secours.
Common misspellings
Also misspelled as: dsis,sddis,sdiss,sdsi,sids,ssdis
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of SDIS - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “SDIS”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is S-D-I-S - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “si” - see the side-by-side comparison. SDIS vs si
- Browse more French words and confusable pairs in the same reference. French words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.