Which to use
“prolonge” is a noun and “prolongent” is a verb - they look or sound alike but fill different roles in a sentence.
- #11,108
- “prolonge” frequency rank
- #33,842
- “prolongent” frequency rank
- 44950
- confusion score
Side-by-Side Comparison
| Feature | prolonge | prolongent |
|---|---|---|
| Definition | Cordage qui servait, dans le tir, à réunir la pièce d’artillerie à son avant-train. | Troisième personne du pluriel du présent de l’indicatif de prolonger. |
Same sound, different letters: prolonge vs prolongent
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 8 letters.
Same sound, different spelling - prolonge / prolongent
Say them out loud and nothing separates them: prolonge and prolongent carry the same recorded pronunciation, \pʁɔ.lɔ̃ʒ\. Grammar is what tells them apart: one is anoun, the other averb, so most sentences will only accept one of them. They differ by 2 extra letter(s) - “prolonge” sits inside “prolongent”. Our composite confusion score for this pair is 44950, derived from the frequency rank of both members and their visual similarity.
prolonge is recorded at frequency rank #11,108, classified as anoun, pronounced \pʁɔ.lɔ̃ʒ\. prolongent is at rank #33,842, tagged as averb, pronounced \pʁɔ.lɔ̃ʒ\.
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 44950, this pair ranks #206,578 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of prolonge vs prolongent
Shared letters: eglnopr. Private to "prolonge": -. Private to "prolongent": t.
"prolonge" · 8 letters · shape CCVCVCCV · "prolongent" · 10 letters · shape CCVCVCCVCC
Known mistypes of this pair
- prolonge ← porlonge · pprolonge · prloonge · prollonge · prolnoge · prologne · proloneg · prolongge
- prolongent ← porlongent · pprolongent · prloongent · prollongent · prolnogent · prolognent · prolonegnt · prolongennt
Frequently Asked Questions
Can "prolonge" and "prolongent" be used interchangeably?
Frequency check: "prolonge" vs "prolongent" - which ranks higher?
After this comparison
Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.
- Full dictionary entry for "prolonge" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prolongent" - compare definitions side by side with the headword page. Word entry
- This pair ranks #206,578 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "prolonge" and "prolongent" also get mixed up with nearby pairs, the highest-scored neighbour is "prolongent vs prolongera". 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 #206,578 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.