Which to use
“extension” and “extensions” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #3,195
- “extension” frequency rank
- #13,789
- “extensions” frequency rank
- 16984
- confusion score
Side-by-Side Comparison
| Feature | extension | extensions |
|---|---|---|
| Definition | Accroissement d’étendue. | Pluriel de extension. |
Same sound, different letters: extension vs extensions
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 9 letters.
Homophone desk: extension vs extensions
This is the hard kind. extension and extensions are pronounced identically (\ɛk.stɑ̃.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) - “extension” sits inside “extensions”. Our composite confusion score for this pair is 16984, derived from the frequency rank of both members and their visual similarity.
extension is recorded at frequency rank #3,195, classified as anoun, pronounced \ɛk.stɑ̃.sjɔ̃\. extensions is at rank #13,789, tagged as anoun, pronounced \ɛk.stɑ̃.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 16984, this pair ranks #385,357 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of extension vs extensions
Shared letters: einostx. Private to "extension": -. Private to "extensions": -.
"extension" · 9 letters · shape VCCVCCVVC · "extensions" · 10 letters · shape VCCVCCVVCC
Known mistypes of this pair
- extension ← etxension · exetnsion · extenison · extennsion · extensino · extensionn · extensoin · extenssion
- extensions ← etxensions · exetnsions · extenisons · extennsions · extensinos · extensionns · extensionss · extensiosn
Frequently Asked Questions
Is swapping "extension" for "extensions" ever safe?
In ordinary French text, does "extension" or "extensions" show up more?
After this comparison
You've separated the homophone pair "extension" / "extensions". Follow the links when you need the full entry or a neighbour that trips the same ear.
- Full dictionary entry for "extension" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "extensions" - compare definitions side by side with the headword page. Word entry
- This pair ranks #385,357 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "extension" and "extensions" also get mixed up with nearby pairs, the highest-scored neighbour is "extension vs extensive". 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 #385,357 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.