Which to use
“prison” is a noun and “Proton” is a name - they look or sound alike but fill different roles in a sentence.
- #951
- “prison” frequency rank
- #38,490
- “Proton” frequency rank
- 39441
- confusion score
Side-by-Side Comparison
| Feature | prison | Proton |
|---|---|---|
| Definition | Endroit clos où sont enfermées les personnes condamnées à une peine de privation de liberté ou les prévenus en attente de jugement. | Nom d’un grand lanceur spatial russe. |
Where the eye mixes prison and Proton
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: prison vs Proton
These two trip readers on the page rather than in the ear: prison is \pʁi.zɔ̃\ while Proton is \pʁɔ.tɔ̃\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 39441, derived from the frequency rank of both members and their visual similarity.
prison is recorded at frequency rank #951, classified as anoun, pronounced \pʁi.zɔ̃\. Proton is at rank #38,490, tagged as aname, pronounced \pʁɔ.tɔ̃\.
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 39441, this pair ranks #247,952 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of prison vs Proton
Shared letters: nopr. Private to "prison": is. Private to "Proton": t.
"prison" · 6 letters · shape CCVCVC · "Proton" · 6 letters · shape CCVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "prison" and "Proton" mean the same thing in a sentence?
In ordinary French text, does "prison" or "Proton" show up more?
What to do next
Eye-level mix-up between "prison" and "Proton" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "prison" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Proton" - compare definitions side by side with the headword page. Word entry
- This pair ranks #247,952 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "prison" and "Proton" also get mixed up with nearby pairs, the highest-scored neighbour is "proof vs Proton". 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 #247,952 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.