coïtvsCSTWhat's the difference?

Which to use

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

#41,723
“coït” frequency rank
#34,048
“CST” frequency rank
75771
confusion score

Side-by-Side Comparison

Feature coït CST
Definition Accouplement sexuel. Cellule souche tumorale.

Where the eye mixes coït and CST

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

4 ch
coït
3 ch
CST

Visual trap between coït and CST

A purely visual mix-up. coït (\kɔ.it\) and CST (\se.ɛs.te\) 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 75771, derived from the frequency rank of both members and their visual similarity.

coït is recorded at frequency rank #41,723, classified as anoun, pronounced \kɔ.it\. CST is at rank #34,048, tagged as anoun, pronounced \se.ɛs.te\.

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 75771, this pair ranks #33,060 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of coït vs CST

Shared letters: ct. Private to "coït": . Private to "CST": s.

"coït" · 4 letters · shape CVCC  ·  "CST" · 3 letters · shape CCC

Frequently Asked Questions

Is swapping "coït" for "CST" ever safe?
No. They are said differently (\kɔ.it\ versus \se.ɛs.te\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "coït" or "CST" show up more?
"CST" is the more common of the two: it sits at frequency rank #34,048 in our French list, against #41,723 for "coït". 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 "coït" and "CST" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "coït" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "CST" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #33,060 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "coït" and "CST" also get mixed up with nearby pairs, the highest-scored neighbour is "coït vs coon". Nearby pair

Confusion rank #33,060 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