CadixvscaducWhich spelling fits?

Quick tell: Cadix is a name, caduc is an adjective, so they fill different roles in a sentence.

Which to use

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

#31,386
“Cadix” frequency rank
#39,197
“caduc” frequency rank
70583
confusion score

Side-by-Side Comparison

Feature Cadix caduc
Definition Commune et ville portuaire d’Espagne, chef-lieu de la province du même nom. Se dit d’un organe, notamment les feuilles, se détachant et tombant chaque année.

Where the eye mixes Cadix and caduc

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
Cadix
5 ch
caduc

Why the eye confuses Cadix with caduc

These two trip readers on the page rather than in the ear: Cadix is \ka.diks\ while caduc is \ka.dyk\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 70583, 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\. caduc is at rank #39,197, tagged as anadj, pronounced \ka.dyk\.

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 70583, this pair ranks #50,785 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of Cadix vs caduc

Shared letters: acd. Private to "Cadix": ix. Private to "caduc": u.

"Cadix" · 5 letters · shape CVCVC  ·  "caduc" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Cadixacdix · caddix · cadixx · cadxi · caidx · ccadix · cdaix
  • caducacduc · cadcu · cadduc · caducc · caudc · ccaduc · cdauc

Frequently Asked Questions

Can "Cadix" and "caduc" be used interchangeably?
No - they are not even the same part of speech. "Cadix" is a name and "caduc" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "Cadix" or "caduc" show up more?
"Cadix" is the more common of the two: it sits at frequency rank #31,386 in our French list, against #39,197 for "caduc". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "Cadix" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "caduc" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #50,785 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Cadix" and "caduc" also get mixed up with nearby pairs, the highest-scored neighbour is "caduc vs casus". 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 #50,785 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