Which to use
“alterne” is an adjective and “alternent” is a verb - they look or sound alike but fill different roles in a sentence.
- #24,852
- “alterne” frequency rank
- #31,814
- “alternent” frequency rank
- 56666
- confusion score
Side-by-Side Comparison
| Feature | alterne | alternent |
|---|---|---|
| Definition | Désigne les angles formés par deux droites parallèles, avec les côtés opposés d’une même sécante. | Troisième personne du pluriel de l’indicatif présent du verbe alterner. |
Same sound, different letters: alterne vs alternent
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 7 letters. alterne runs 7 letters (VCCVCCV) against alternent's 9 (VCCVCCVCC) - the length gap alone is often enough to separate them once you know to check it.
Ear matches; page differs - alterne and alternent
Say them out loud and nothing separates them: alterne and alternent carry the same recorded pronunciation, \al.tɛʁn\. Grammar is what tells them apart: one is anadjective, the other averb, so most sentences will only accept one of them. They differ by 2 extra letter(s) - “alterne” sits inside “alternent”. Our composite confusion score for this pair is 56666, derived from the frequency rank of both members and their visual similarity.
alterne is recorded at frequency rank #24,852, classified as anadj, pronounced \al.tɛʁn\. alternent is at rank #31,814, tagged as averb, pronounced \al.tɛʁn\.
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 56666, this pair ranks #119,667 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of alterne vs alternent
Shared letters: aelnrt. Private to "alterne": -. Private to "alternent": -.
"alterne" · 7 letters · shape VCCVCCV · "alternent" · 9 letters · shape VCCVCCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "alterne" for "alternent" ever safe?
In ordinary French text, does "alterne" or "alternent" show up more?
What to do next
Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.
- Full dictionary entry for "alterne" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "alternent" - compare definitions side by side with the headword page. Word entry
- This pair ranks #119,667 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "alterne" and "alternent" also get mixed up with nearby pairs, the highest-scored neighbour is "allèrent vs alternent". 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 #119,667 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.