CFFvsCOVWhich spelling fits?

Which to use

“CFF” and “COV” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#46,639
“CFF” frequency rank
#48,437
“COV” frequency rank
95076
confusion score

Side-by-Side Comparison

Feature CFF COV
Definition Société anonyme (détenue à 100 % par la Confédération suisse) exploitant les chemins de fer suisses. Composé organique volatil.

Where the eye mixes CFF and COV

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. CFF (CCC) and COV (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
CFF
3 ch
COV

Why the eye confuses CFF with COV

A purely visual mix-up. CFF (\se.ɛf.ɛf\) and COV (\se o ve\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 95076, derived from the frequency rank of both members and their visual similarity.

CFF is recorded at frequency rank #46,639, classified as anoun, pronounced \se.ɛf.ɛf\. COV is at rank #48,437, tagged as anoun, pronounced \se o ve\.

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 95076, this pair ranks #1,246 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of CFF vs COV

Shared letters: c. Private to "CFF": f. Private to "COV": ov.

"CFF" · 3 letters · shape CCC  ·  "COV" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "CFF" for "COV" ever safe?
No. They are said differently (\se.ɛf.ɛf\ versus \se o ve\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "CFF" or "COV"?
"CFF" is the more common of the two: it sits at frequency rank #46,639 in our French list, against #48,437 for "COV". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "CFF" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "COV" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,246 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "CFF" and "COV" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs COV". Nearby pair

Confusion rank #1,246 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list