ralentisseur
\ʁa.lɑ̃.ti.sœʁ\
The verdict
“ralentisseur” is uncommon French (frequency #88,010 among 5,742 “R” headwords), classed as an adjective. The kind of spelling people second-guess.
- #88,010
- frequency rank, French
- 5,742
- “R” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Qui ralentit.
Corpus desk
Index FR-ralentisseur · ralentisseur · French
ralentisseur · rank #88,010 · 0 variants · 0 confusables
- FREQ-RARE #88,010
- LEN-MEGA 12 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,742
- PHOTO-FINISH Raimi
Nearest frequency peer: Raimi (-1 rank slots)
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Rangs de longue queue près de « ralentisseur »
Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court
- quesne
quesne
11,996 corpus weight
- quesque
quesque
11,995 corpus weight
- raconteront
raconteront
11,993 corpus weight
- Raimi
Raimi
11,992 corpus weight
- ralentisseur
ralentisseur
11,991 corpus weight
- ramifiés
ramifiés
11,990 corpus weight
What this shows Vue de longue queue: où « ralentisseur » se situe face à des rangs français aussi rares.
| Property | Value |
|---|---|
| Headword | ralentisseur |
| Language | French |
| Part of speech | Adjective |
| IPA | \ʁa.lɑ̃.ti.sœʁ\ |
| Letters | 12 |
| Frequency rank | #88,010 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « ralentisseur » en français
Rare enough to double-check
ralentisseur is uncommon French at frequency #88,010 among 5,742 “R” headwords, classed as anadjective, transcribed \ʁa.lɑ̃.ti.sœʁ\. Rarity is why readers land here mid-draft. Gloss: "Qui ralentit.".
ralentisseur has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Wiktionary doesn't record an etymology for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is ralentisseur, spelled R-A-L-E-N-T-I-S-S-E-U-R.
Definition
- 1Qui ralentit.
Recorded use
Wiktionary examplesThese source excerpts show how ralentisseur appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
De plus, à l'intérieur de la zone, des dispositifs ralentisseurs sont mis en place là où la vitesse pourrait être excessive. Destinée à réduire les vitesses pour réduire l'impact des accidents, la zone 30 apporte surtout plus de sécurité aux usagers les plus vulnérables […].
Alors, apercevant sur la route une de ces bosses ralentisseuses, il lui disait « Tu veux que papa fasse un badaboum ? » Oh oui ! qu'il voulait, le petit bonhomme, le papa accélérait à fond et les voilà tous deux en train de faire un grand bond dans la voiture […].
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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Similar French words by spelling shape
Same letter count and similar misspelling depth for "ralentisseur", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 12 letters (nearest by frequency rank).