cathvscathosWhich spelling fits?

Which to use

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

#40,167
“cath” frequency rank
#30,937
“cathos” frequency rank
71104
confusion score

Side-by-Side Comparison

Feature cath cathos
Definition Chat (animal). Pluriel de catho.

Where the eye mixes cath and cathos

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. cath runs 4 letters (CVCC) against cathos's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
cath
6 ch
cathos

Look-alike desk: cath vs cathos

A purely visual mix-up. cath (\kaːθ\) and cathos (\ka.to\) 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 2 extra letter(s) - “cath” sits inside “cathos”. Our composite confusion score for this pair is 71104, derived from the frequency rank of both members and their visual similarity.

cath is recorded at frequency rank #40,167, classified as anoun, pronounced \kaːθ\. cathos is at rank #30,937, tagged as anoun, pronounced \ka.to\.

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 71104, this pair ranks #48,789 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of cath vs cathos

Shared letters: acht. Private to "cath": -. Private to "cathos": os.

"cath" · 4 letters · shape CVCC  ·  "cathos" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • cath ← acth · cathh · catth · ccath · ctah
  • cathos ← acthos · cahtos · cathhos · cathoss · cathso · catohs · catthos · ccathos

Frequently Asked Questions

Is swapping "cath" for "cathos" ever safe?
No. They are said differently (\kaːθ\ versus \ka.to\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "cath" vs "cathos" - which ranks higher?
"cathos" is the more common of the two: it sits at frequency rank #30,937 in our French list, against #40,167 for "cath". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "cath" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cathos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #48,789 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cath" and "cathos" also get mixed up with nearby pairs, the highest-scored neighbour is "canto vs cath". 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 #48,789 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