CTCvsctsWhat's the difference?

Which to use

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

#44,964
“CTC” frequency rank
#39,736
“cts” frequency rank
84700
confusion score

Side-by-Side Comparison

Feature CTC cts
Definition Cellule tumorale circulante. Carats

Where the eye mixes CTC and cts

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

3 ch
CTC
3 ch
cts

Look-alike desk: CTC vs cts

A purely visual mix-up. CTC (\se.te.se\) 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 a single letter - c in “CTC” becomes s in “cts”. Our composite confusion score for this pair is 84700, derived from the frequency rank of both members and their visual similarity.

CTC is recorded at frequency rank #44,964, classified as anoun, pronounced \se.te.se\. 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 84700, this pair ranks #12,513 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of CTC vs cts

Shared letters: ct. Private to "CTC": -. Private to "cts": s.

"CTC" · 3 letters · shape CCC  ·  "cts" · 3 letters · shape CCC

Frequently Asked Questions

Can "CTC" and "cts" be used interchangeably?
No. They are said differently (\se.te.se\ versus \ka.ʁa\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "CTC" or "cts"?
"cts" is the more common of the two: it sits at frequency rank #39,736 in our French list, against #44,964 for "CTC". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "CTC" 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 #12,513 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "CTC" and "cts" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CTC". Nearby pair

Confusion rank #12,513 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