Which to use
“prolonge” is a noun and “prolongera” is a verb - they look or sound alike but fill different roles in a sentence.
- #11,108
- “prolonge” frequency rank
- #49,296
- “prolongera” frequency rank
- 60404
- confusion score
Side-by-Side Comparison
| Feature | prolonge | prolongera |
|---|---|---|
| Definition | Cordage qui servait, dans le tir, à réunir la pièce d’artillerie à son avant-train. | Troisième personne du singulier du futur de prolonger. |
Where the eye mixes prolonge and prolongera
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.
Look-alike desk: prolonge vs prolongera
These two trip readers on the page rather than in the ear: prolonge is \pʁɔ.lɔ̃ʒ\ while prolongera is \pʁɔ.lɔ̃.ʒə.ʁa\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “prolonge” sits inside “prolongera”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 60404, 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\. prolongera is at rank #49,296, tagged as averb, pronounced \pʁɔ.lɔ̃.ʒə.ʁa\.
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 60404, this pair ranks #97,788 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of prolonge vs prolongera
Shared letters: eglnopr. Private to "prolonge": -. Private to "prolongera": a.
"prolonge" · 8 letters · shape CCVCVCCV · "prolongera" · 10 letters · shape CCVCVCCVCV
Known mistypes of this pair
- prolonge ← porlonge · pprolonge · prloonge · prollonge · prolnoge · prologne · proloneg · prolongge
- prolongera ← porlongera · pprolongera · prloongera · prollongera · prolnogera · prolognera · prolonegra · prolongear
Frequently Asked Questions
Is swapping "prolonge" for "prolongera" ever safe?
Frequency check: "prolonge" vs "prolongera" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "prolonge" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prolongera" - compare definitions side by side with the headword page. Word entry
- This pair ranks #97,788 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "prolonge" and "prolongera" also get mixed up with nearby pairs, the highest-scored neighbour is "prolongera vs prononcera". 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 #97,788 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.