cathvsctsWhat's the difference?

Which to use

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

#40,167
“cath” frequency rank
#39,736
“cts” frequency rank
79903
confusion score

Side-by-Side Comparison

Feature cath cts
Definition Chat (animal). Carats

Where the eye mixes cath and cts

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
cath
3 ch
cts

Why the eye confuses cath with cts

A purely visual mix-up. cath (\kaːθ\) and cts (\ka.ʁa\) 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 1 letter(s) in length. Our composite confusion score for this pair is 79903, 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\. cts is at rank #39,736, tagged as anoun, pronounced \ka.ʁa\.

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 79903, this pair ranks #22,193 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of cath vs cts

Shared letters: ct. Private to "cath": ah. Private to "cts": s.

"cath" · 4 letters · shape CVCC  ·  "cts" · 3 letters · shape CCC

Known mistypes of this pair

  • cathacth · cathh · catth · ccath · ctah

Frequently Asked Questions

Is swapping "cath" for "cts" ever safe?
No. They are said differently (\kaːθ\ versus \ka.ʁa\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "cath" vs "cts" - which ranks higher?
"cts" is the more common of the two: it sits at frequency rank #39,736 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

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

  • Full dictionary entry for "cath" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cts" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #22,193 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cath" and "cts" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs cts". 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 #22,193 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