caivsCMSTell them apart

Which to use

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

#46,045
“cai” frequency rank
#33,172
“CMS” frequency rank
79217
confusion score

Side-by-Side Comparison

Feature cai CMS
Definition Bien, affaire, objet, chose, fortune. Composant monté en surface.

Where the eye mixes cai and CMS

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

3 ch
cai
3 ch
CMS

Visual trap between cai and CMS

A purely visual mix-up. cai (\kaj\) and CMS (\se.ɛm.ɛs\) 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 79217, derived from the frequency rank of both members and their visual similarity.

cai is recorded at frequency rank #46,045, classified as anoun, pronounced \kaj\. CMS is at rank #33,172, tagged as anoun, pronounced \se.ɛm.ɛs\.

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 79217, this pair ranks #23,840 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of cai vs CMS

Shared letters: c. Private to "cai": ai. Private to "CMS": ms.

"cai" · 3 letters · shape CVV  ·  "CMS" · 3 letters · shape CCC

Frequently Asked Questions

Can "cai" and "CMS" be used interchangeably?
No. They are said differently (\kaj\ versus \se.ɛm.ɛs\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "cai" vs "CMS" - which ranks higher?
"CMS" is the more common of the two: it sits at frequency rank #33,172 in our French list, against #46,045 for "cai". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "cai" and "CMS" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "cai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "CMS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #23,840 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cai" and "CMS" also get mixed up with nearby pairs, the highest-scored neighbour is "cai vs CCE". Nearby pair

Confusion rank #23,840 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