CFF
\se.ɛf.ɛf\
The verdict
“CFF” sits in 20 confusable pairs (corpus #46,639) as a noun. The look-alike neighbours are the real trap.
- #46,639
- frequency rank, French
- 8,609
- “C” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Société anonyme (détenue à 100 % par la Confédération suisse) exploitant les chemins de fer suisses.
Corpus desk
Index FR-cff · CFF · French
CFF · rank #46,639 · 0 variants · 20 confusables
- FREQ-MID #46,639
- LEN-MID 3 letters
- VOW-0 0 vowels
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-DENSE 8,609
- PHOTO-FINISH centrafricain
Nearest frequency peer: centrafricain (-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.
Voisins de fréquence du confusable « CFF »
Pairs de poids proche dans le corpus, séparés des confusables ci-dessous
- cec
cec
53,365 corpus weight
- ceint
ceint
53,364 corpus weight
- centrafrica…
centrafricain
53,363 corpus weight
- CFF
CFF
53,362 corpus weight
- chantres
chantres
53,360 corpus weight
- Charlotteto…
Charlottetown
53,359 corpus weight
What this shows Les barres placent « CFF » face aux lemmes français les plus proches par rang, pas un reprint du bureau des confusables.
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 | CFF |
| Language | French |
| Part of speech | Noun |
| IPA | \se.ɛf.ɛf\ |
| Letters | 3 |
| Frequency rank | #46,639 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Rang de corpus près des confusables de « CFF »
Easy to mix with look-alikes
The spelling risk for CFF is neighbouring look-alikes ("ci", "co", …), not just typos; it is anoun pronounced \se.ɛf.ɛf\. Frequency #46,639 among 8,609 “C” headwords. Gloss: "Société anonyme (détenue à 100 % par la Confédération suisse) exploitant les chemins de fer suisses.".
No generated misspelling entries exist for CFF in our index, suggesting the orthography follows predictable French patterns. It also participates in 20 confusable-pair relationships, "ci", "co", "Cm", and more, where similar look or sound leads writers to substitute one word for another in context.
This entry's etymology isn't recorded, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is CFF, spelled C-F-F.
Definition
- 1Société anonyme (détenue à 100 % par la Confédération suisse) exploitant les chemins de fer suisses.
Recorded use
Wiktionary exampleThese source excerpts show how CFF appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Les CFF ont connu hier une de leurs plus graves pannes de courant.
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
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Similar French words by spelling shape
Same letter count and similar misspelling depth for "CFF", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 3 letters (nearest by frequency rank).