seiche
\sɛʃ\
The verdict
“seiche” is uncommon French (frequency #54,899 among 6,032 “S” headwords), classed as a noun. The kind of spelling people second-guess.
- #54,899
- frequency rank, French
- 6,032
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Mollusque marin, qui jette un liquide noir pour masquer sa fuite et dont l’ossature est constituée d’un seul os de substance friable.
Corpus desk
Index FR-seiche · seiche · French
seiche · rank #54,899 · 0 variants · 0 confusables
- FREQ-RARE #54,899
- LEN-LONG 6 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 6,032
- PHOTO-FINISH sectoriels
Nearest frequency peer: sectoriels (-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 « seiche »
Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court
- screens
screens
45,105 corpus weight
- Scylla
Scylla
45,104 corpus weight
- sectoriels
sectoriels
45,103 corpus weight
- seiche
seiche
45,102 corpus weight
- sema
sema
45,101 corpus weight
- semonce
semonce
45,100 corpus weight
What this shows Vue de longue queue: où « seiche » se situe face à des rangs français aussi rares.
| Property | Value |
|---|---|
| Headword | seiche |
| Language | French |
| Part of speech | Noun |
| IPA | \sɛʃ\ |
| Letters | 6 |
| Frequency rank | #54,899 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « seiche » en français
Rare enough to double-check
seiche is uncommon French at frequency #54,899 among 6,032 “S” headwords, classed as anoun, transcribed \sɛʃ\. Rarity is why readers land here mid-draft. Gloss: "Mollusque marin, qui jette un liquide noir pour masquer sa fuite et dont l’ossature est constituée d’un seul os de substance friable.".
seiche has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.
This headword's origin isn't recorded in our source data, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is seiche, spelled S-E-I-C-H-E.
Definition
- 1Mollusque marin, qui jette un liquide noir pour masquer sa fuite et dont l’ossature est constituée d’un seul os de substance friable.
Recorded use
Wiktionary examplesThese source excerpts show how seiche appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Os de seiche.
La petite troupe foula un sable composé de débris de coquilles bivalves, d’os de seiche, et mélangé dans une grande proportion de peroxyde et de protoxyde de fer.
This word in other languages
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
How do you spell "seiche"?
What does "seiche" mean?
How do you pronounce "seiche"?
What language does "seiche" come from?
Is PlainSpell free to use?
Similar French words by spelling shape
Same letter count and similar misspelling depth for "seiche", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 6 letters (nearest by frequency rank).