Which to use
“plongées” is a noun and “prolongées” is an adjective - they look or sound alike but fill different roles in a sentence.
- #35,207
- “plongées” frequency rank
- #32,535
- “prolongées” frequency rank
- 67742
- confusion score
Side-by-Side Comparison
| Feature | plongées | prolongées |
|---|---|---|
| Definition | Pluriel de plongée. | Féminin pluriel de prolongé. |
Where the eye mixes plongées and prolongées
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. plongées runs 8 letters (CCVCCVVC) against prolongées's 10 (CCVCVCCVVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses plongées with prolongées
These two trip readers on the page rather than in the ear: plongées is \plɔ̃.ʒe\ while prolongées is \pʁɔ.lɔ̃.ʒe\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 67742, derived from the frequency rank of both members and their visual similarity.
plongées is recorded at frequency rank #35,207, classified as anoun, pronounced \plɔ̃.ʒe\. prolongées is at rank #32,535, tagged as anadj, pronounced \pʁɔ.lɔ̃.ʒe\.
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 67742, this pair ranks #62,092 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of plongées vs prolongées
Shared letters: eglnopsé. Private to "plongées": -. Private to "prolongées": r.
"plongées" · 8 letters · shape CCVCCVVC · "prolongées" · 10 letters · shape CCVCVCCVVC
Frequently Asked Questions
Do "plongées" and "prolongées" mean the same thing in a sentence?
In ordinary French text, does "plongées" or "prolongées" show up more?
After this comparison
Eye-level mix-up between "plongées" and "prolongées" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "plongées" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prolongées" - compare definitions side by side with the headword page. Word entry
- This pair ranks #62,092 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "plongées" and "prolongées" also get mixed up with nearby pairs, the highest-scored neighbour is "plongées vs plongeons". Nearby pair
Confusion rank #62,092 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.