Which to use
“prolonger” is a verb and “prolongés” is an adjective - they look or sound alike but fill different roles in a sentence.
- #8,016
- “prolonger” frequency rank
- #37,494
- “prolongés” frequency rank
- 45510
- confusion score
Side-by-Side Comparison
| Feature | prolonger | prolongés |
|---|---|---|
| Definition | Faire durer plus longtemps. | Masculin pluriel de prolongé. |
Same sound, different letters: prolonger vs prolongés
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 7 letters. prolonger and prolongés follow the identical consonant-vowel pattern (CCVCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.
Homophone desk: prolonger vs prolongés
Say them out loud and nothing separates them: prolonger and prolongés carry the same recorded pronunciation, \pʁɔ.lɔ̃.ʒe\. Grammar is what tells them apart: one is averb, the other anadjective, so most sentences will only accept one of them. They share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 45510, derived from the frequency rank of both members and their visual similarity.
prolonger is recorded at frequency rank #8,016, classified as averb, pronounced \pʁɔ.lɔ̃.ʒe\. prolongés is at rank #37,494, 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 45510, this pair ranks #202,213 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of prolonger vs prolongés
Shared letters: glnopr. Private to "prolonger": e. Private to "prolongés": sé.
"prolonger" · 9 letters · shape CCVCVCCVC · "prolongés" · 9 letters · shape CCVCVCCVC
Known mistypes of this pair
- prolonger ← porlonger · pprolonger · prloonger · prollonger · prolnoger · prologner · prolonegr · prolongerr
Frequently Asked Questions
Is swapping "prolonger" for "prolongés" ever safe?
Which is more common, "prolonger" or "prolongés"?
Useful next steps
"prolonger" and "prolongés" share a sound, keep the gloss open, then jump to the headword or a nearby trap.
- Full dictionary entry for "prolonger" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prolongés" - compare definitions side by side with the headword page. Word entry
- This pair ranks #202,213 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "prolonger" and "prolongés" also get mixed up with nearby pairs, the highest-scored neighbour is "prolongera vs prolongés". 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 #202,213 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.