Which to use
“prolongation” and “prolongations” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,536
- “prolongation” frequency rank
- #26,142
- “prolongations” frequency rank
- 35678
- confusion score
Side-by-Side Comparison
| Feature | prolongation | prolongations |
|---|---|---|
| Definition | Action de prolonger, d’accorder un surcroît de durée ; Résultat de cette action. | Pluriel de prolongation. |
Same sound, different letters: prolongation vs prolongations
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 12 letters.
Same sound, different spelling - prolongation / prolongations
This is the hard kind. prolongation and prolongations are pronounced identically (\pʁɔ.lɔ̃.ɡa.sjɔ̃\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “prolongation” sits inside “prolongations”. Our composite confusion score for this pair is 35678, derived from the frequency rank of both members and their visual similarity.
prolongation is recorded at frequency rank #9,536, classified as anoun, pronounced \pʁɔ.lɔ̃.ɡa.sjɔ̃\. prolongations is at rank #26,142, tagged as anoun, pronounced \pʁɔ.lɔ̃.ɡa.sjɔ̃\.
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 35678, this pair ranks #275,014 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of prolongation vs prolongations
Shared letters: agilnoprt. Private to "prolongation": -. Private to "prolongations": s.
"prolongation" · 12 letters · shape CCVCVCCVCVVC · "prolongations" · 13 letters · shape CCVCVCCVCVVCC
Known mistypes of this pair
- prolongation ← porlongation · pprolongation · prloongation · prollongation · prolnogation · prolognation · prolonagtion · prolongaiton
- prolongations ← porlongations · pprolongations · prloongations · prollongations · prolnogations · prolognations · prolonagtions · prolongaitons
Frequently Asked Questions
Can "prolongation" and "prolongations" be used interchangeably?
Frequency check: "prolongation" vs "prolongations" - which ranks higher?
Useful next steps
"prolongation" and "prolongations" share a sound, keep the gloss open, then jump to the headword or a nearby trap.
- Full dictionary entry for "prolongation" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prolongations" - compare definitions side by side with the headword page. Word entry
- This pair ranks #275,014 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "prolongation" and "prolongations" also get mixed up with nearby pairs, the highest-scored neighbour is "prolongation vs prorogation". 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 #275,014 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.