castesvscastroConfusable pair

Which to use

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

#31,394
“castes” frequency rank
#11,730
“castro” frequency rank
43124
confusion score

Side-by-Side Comparison

Feature castes castro
Definition Pluriel de caste. Colline fortifiée, oppidum.

Where the eye mixes castes and castro

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. castes (CVCCVC) and castro (CVCCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
castes
6 ch
castro

Why the eye confuses castes with castro

A purely visual mix-up. castes (\kast\) and castro (\ˈkas.tɾo\) 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 43124, derived from the frequency rank of both members and their visual similarity.

castes is recorded at frequency rank #31,394, classified as anoun, pronounced \kast\. castro is at rank #11,730, tagged as anoun, pronounced \ˈkas.tɾo\.

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 43124, this pair ranks #220,443 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of castes vs castro

Shared letters: acst. Private to "castes": e. Private to "castro": or.

"castes" · 6 letters · shape CVCCVC  ·  "castro" · 6 letters · shape CVCCCV

Known mistypes of this pair

  • castes ← acstes · casets · casstes · castess · castse · casttes · catses · ccastes
  • castro ← acstro · casrto · casstro · castrro · casttro · catsro · ccastro · csatro

Frequently Asked Questions

Do "castes" and "castro" mean the same thing in a sentence?
No. They are said differently (\kast\ versus \ˈkas.tɾo\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "castes" or "castro"?
"castro" is the more common of the two: it sits at frequency rank #11,730 in our French list, against #31,394 for "castes". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "castes" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "castro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #220,443 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "castes" and "castro" also get mixed up with nearby pairs, the highest-scored neighbour is "castes vs causses". 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 #220,443 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