CMP vs co, What's the Difference?

Which to use

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

#40,674
“CMP” frequency rank: #1,856
“co” frequency rank: 42530
confusion score

Side-by-Side Comparison

Feature	CMP	co
Definition	Centre médico-psychologique.	Connexion.

Where the eye mixes CMP and co

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

3 ch

CMP

2 ch

Why the eye confuses CMP with co

A purely visual mix-up. CMP (\se.ɛm.pe\) and co (\ko\) 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 1 letter(s) in length. Our composite confusion score for this pair is 42530, derived from the frequency rank of both members and their visual similarity.

CMP is recorded at frequency rank #40,674, classified as anoun, pronounced \se.ɛm.pe\. co is at rank #1,856, tagged as anoun, pronounced \ko\.

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 42530, this pair ranks #224,909 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of CMP vs co

Shared letters: c. Private to "CMP": mp. Private to "co": o.

"CMP" · 3 letters · shape CCC · "co" · 2 letters · shape CV

Frequently Asked Questions

Can "CMP" and "co" be used interchangeably?

No. They are said differently (\se.ɛm.pe\ versus \ko\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

In ordinary French text, does "CMP" or "co" show up more?

"co" is the more common of the two: it sits at frequency rank #1,856 in our French list, against #40,674 for "CMP". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

Full dictionary entry for "CMP" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "co" - compare definitions side by side with the headword page. Word entry
This pair ranks #224,909 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"CMP" and "co" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CMP". Nearby pair

Confusion rank #224,909 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.