caavscoWhat's the difference?

Which to use

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

#44,346
“caa” frequency rank
#1,856
“co” frequency rank
46202
confusion score

Side-by-Side Comparison

Feature caa co
Definition Chasse, pêche. Connexion.

Where the eye mixes caa and co

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

3 ch
caa
2 ch
co

Look-alike desk: caa vs co

A purely visual mix-up. caa (\caː\) 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 46202, derived from the frequency rank of both members and their visual similarity.

caa is recorded at frequency rank #44,346, classified as anoun, pronounced \caː\. 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 46202, this pair ranks #196,802 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of caa vs co

Shared letters: c. Private to "caa": a. Private to "co": o.

"caa" · 3 letters · shape CVV  ·  "co" · 2 letters · shape CV

Frequently Asked Questions

Can "caa" and "co" be used interchangeably?
No. They are said differently (\caː\ versus \ko\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "caa" or "co"?
"co" is the more common of the two: it sits at frequency rank #1,856 in our French list, against #44,346 for "caa". 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 "caa" 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 #196,802 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "caa" and "co" also get mixed up with nearby pairs, the highest-scored neighbour is "caa vs CCE". Nearby pair

Confusion rank #196,802 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