covsCXWhat's the difference?

Which to use

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

#1,856
“co” frequency rank
#32,366
“CX” frequency rank
34222
confusion score

Side-by-Side Comparison

Feature co CX
Definition Connexion. Expérience client.

Where the eye mixes co and CX

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
co
2 ch
CX

Visual trap between co and CX

A purely visual mix-up. co (\ko\) and CX (\siːɛks\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - o in “co” becomes x in “CX”. Our composite confusion score for this pair is 34222, derived from the frequency rank of both members and their visual similarity.

co is recorded at frequency rank #1,856, classified as anoun, pronounced \ko\. CX is at rank #32,366, tagged as anoun, pronounced \siːɛks\.

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 34222, this pair ranks #285,324 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of co vs CX

Shared letters: c. Private to "co": o. Private to "CX": x.

"co" · 2 letters · shape CV  ·  "CX" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "co" for "CX" ever safe?
No. They are said differently (\ko\ versus \siːɛks\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "co" or "CX" show up more?
"co" is the more common of the two: it sits at frequency rank #1,856 in our French list, against #32,366 for "CX". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "co" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "CX" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #285,324 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "co" and "CX" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CX". Nearby pair

Confusion rank #285,324 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