cscvsCSTWhich spelling fits?

Which to use

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

#27,392
“csc” frequency rank
#34,048
“CST” frequency rank
61440
confusion score

Side-by-Side Comparison

Feature csc CST
Definition But contre son camp. Cellule souche tumorale.

Where the eye mixes csc and CST

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

3 ch
csc
3 ch
CST

Visual trap between csc and CST

A purely visual mix-up. csc (\se.ɛs.se\) 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 a single letter - c in “csc” becomes t in “CST”. Our composite confusion score for this pair is 61440, derived from the frequency rank of both members and their visual similarity.

csc is recorded at frequency rank #27,392, classified as anoun, pronounced \se.ɛs.se\. 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 61440, this pair ranks #92,281 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of csc vs CST

Shared letters: cs. Private to "csc": -. Private to "CST": t.

"csc" · 3 letters · shape CCC  ·  "CST" · 3 letters · shape CCC

Frequently Asked Questions

Do "csc" and "CST" mean the same thing in a sentence?
No. They are said differently (\se.ɛs.se\ versus \se.ɛs.te\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "csc" or "CST"?
"csc" is the more common of the two: it sits at frequency rank #27,392 in our French list, against #34,048 for "CST". 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 "csc" 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 #92,281 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "csc" and "CST" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CST". Nearby pair

Confusion rank #92,281 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