CNESvsctsTell them apart

Quick tell: CNES is a name, cts is a noun, so they fill different roles in a sentence.

Which to use

“CNES” is a name and “cts” is a noun - they look or sound alike but fill different roles in a sentence.

#34,938
“CNES” frequency rank
#39,736
“cts” frequency rank
74674
confusion score

Side-by-Side Comparison

Feature CNES cts
Definition Sigle du Centre national d’études spatiales. Carats

Where the eye mixes CNES and cts

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

4 ch
CNES
3 ch
cts

Look-alike desk: CNES vs cts

These two trip readers on the page rather than in the ear: CNES is \knɛs\ while cts is \ka.ʁa\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 74674, derived from the frequency rank of both members and their visual similarity.

CNES is recorded at frequency rank #34,938, classified as aname, pronounced \knɛs\. 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 74674, this pair ranks #36,394 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of CNES vs cts

Shared letters: cs. Private to "CNES": en. Private to "cts": t.

"CNES" · 4 letters · shape CCVC  ·  "cts" · 3 letters · shape CCC

Known mistypes of this pair

  • CNESccnes · cness · cnnes · cnse · nces

Frequently Asked Questions

Is swapping "CNES" for "cts" ever safe?
No - they are not even the same part of speech. "CNES" is a name and "cts" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "CNES" or "cts" show up more?
"CNES" is the more common of the two: it sits at frequency rank #34,938 in our French list, against #39,736 for "cts". 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 "CNES" 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 #36,394 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "CNES" 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 #36,394 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