Which to use
“altérer” and “alterner” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,157
- “altérer” frequency rank
- #30,458
- “alterner” frequency rank
- 52615
- confusion score
Side-by-Side Comparison
| Feature | altérer | alterner |
|---|---|---|
| Definition | Modifier dans sa nature, dans sa structure, un corps. | Faire successivement et tour à tour une même chose en parlant de deux personnes. |
Where the spellings diverge
Shared letters are muted; the letters that actually set altérer and alterner apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. altérer (\al.te.ʁe\) and alterner (\al.tɛʁ.ne\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 52615, derived from the frequency rank of both members and their visual similarity.
altérer is recorded at frequency rank #22,157, classified as averb, pronounced \al.te.ʁe\. alterner is at rank #30,458, tagged as averb, pronounced \al.tɛʁ.ne\.
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 52615, this pair ranks #146,463 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of altérer vs alterner
Shared letters: aelrt. Private to "altérer": é. Private to "alterner": n.
"altérer" · 7 letters · shape VCCVCVC · "alterner" · 8 letters · shape VCCVCCVC
Known mistypes of this pair
- alterner ← aletrner · allterner · altenrer · alterenr · alternerr · alternner · alternre · alterrner
Frequency comparison
Frequently Asked Questions
Can "altérer" and "alterner" be used interchangeably?
Which is more common, "altérer" or "alterner"?
Remembering altérer vs alterner
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “altérer” entry
- Browse more pairs most likely to be confused. Most confusable