CadixvscaiWhat's the difference?

Quick tell: Cadix is a name, cai is a noun, so they fill different roles in a sentence.

Which to use

“Cadix” is a name and “cai” is a noun - they look or sound alike but fill different roles in a sentence.

#31,386
“Cadix” frequency rank
#46,045
“cai” frequency rank
77431
confusion score

Side-by-Side Comparison

Feature Cadix cai
Definition Commune et ville portuaire d’Espagne, chef-lieu de la province du même nom. Bien, affaire, objet, chose, fortune.

Where the eye mixes Cadix and cai

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Cadix runs 5 letters (CVCVC) against cai's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
Cadix
3 ch
cai

Why the eye confuses Cadix with cai

These two trip readers on the page rather than in the ear: Cadix is \ka.diks\ while cai is \kaj\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 77431, derived from the frequency rank of both members and their visual similarity.

Cadix is recorded at frequency rank #31,386, classified as aname, pronounced \ka.diks\. cai is at rank #46,045, tagged as anoun, pronounced \kaj\.

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 77431, this pair ranks #28,392 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of Cadix vs cai

Shared letters: aci. Private to "Cadix": dx. Private to "cai": -.

"Cadix" · 5 letters · shape CVCVC  ·  "cai" · 3 letters · shape CVV

Known mistypes of this pair

  • Cadix ← acdix · caddix · cadixx · cadxi · caidx · ccadix · cdaix

Frequently Asked Questions

Do "Cadix" and "cai" mean the same thing in a sentence?
No - they are not even the same part of speech. "Cadix" is a name and "cai" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "Cadix" or "cai" show up more?
"Cadix" is the more common of the two: it sits at frequency rank #31,386 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 "Cadix" and "cai" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Cadix" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cai" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #28,392 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Cadix" and "cai" also get mixed up with nearby pairs, the highest-scored neighbour is "cai vs CCE". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #28,392 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