Which to use
“CEA” is a name and “cosa” is a noun - they look or sound alike but fill different roles in a sentence.
- #21,564
- “CEA” frequency rank
- #46,679
- “cosa” frequency rank
- 68243
- confusion score
Side-by-Side Comparison
| Feature | CEA | cosa |
|---|---|---|
| Definition | Commissariat à l’énergie atomique et aux énergies alternatives, anciennement Commissariat à l’énergie atomique. | Variante du IXᵉ siècle de chose. |
Where the eye mixes CEA and cosa
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses CEA with cosa
These two trip readers on the page rather than in the ear: CEA is \se.ø.a\ while cosa is \ˈkɔza ~ˈkɔzə\. 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 68243, derived from the frequency rank of both members and their visual similarity.
CEA is recorded at frequency rank #21,564, classified as aname, pronounced \se.ø.a\. cosa is at rank #46,679, tagged as anoun, pronounced \ˈkɔza ~ˈkɔzə\.
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 68243, this pair ranks #59,946 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of CEA vs cosa
Shared letters: ac. Private to "CEA": e. Private to "cosa": os.
"CEA" · 3 letters · shape CVV · "cosa" · 4 letters · shape CVCV
Known mistypes of this pair
- cosa ← ccosa · coas · cossa · csoa · ocsa
Frequently Asked Questions
Is swapping "CEA" for "cosa" ever safe?
Which is more common, "CEA" or "cosa"?
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 "CEA" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cosa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #59,946 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "CEA" and "cosa" also get mixed up with nearby pairs, the highest-scored neighbour is "cosa vs coupa". 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 #59,946 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.