Which to use
“acidité” and “activité” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #19,727
- “acidité” frequency rank
- #713
- “activité” frequency rank
- 20440
- confusion score
Side-by-Side Comparison
| Feature | acidité | activité |
|---|---|---|
| Definition | Quantité d’ions hydronium dissoute dans l'unité de volume de solution aqueuse. | État de celui, celle, ce qui est actif, qui agit. |
Where the eye mixes acidité and activité
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. acidité runs 7 letters (VCVCVCV) against activité's 8 (VCCVCVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between acidité and activité
A purely visual mix-up. acidité (\a.si.di.te\) and activité (\ak.ti.vi.te\) 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 20440, derived from the frequency rank of both members and their visual similarity.
acidité is recorded at frequency rank #19,727, classified as anoun, pronounced \a.si.di.te\. activité is at rank #713, tagged as anoun, pronounced \ak.ti.vi.te\.
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 20440, this pair ranks #368,254 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of acidité vs activité
Shared letters: acité. Private to "acidité": d. Private to "activité": v.
"acidité" · 7 letters · shape VCVCVCV · "activité" · 8 letters · shape VCCVCVCV
Frequently Asked Questions
Is swapping "acidité" for "activité" ever safe?
In ordinary French text, does "acidité" or "activité" show up more?
Useful next steps
Eye-level mix-up between "acidité" and "activité" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "acidité" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "activité" - compare definitions side by side with the headword page. Word entry
- This pair ranks #368,254 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "acidité" and "activité" also get mixed up with nearby pairs, the highest-scored neighbour is "acidité vs avidité". Nearby pair
Confusion rank #368,254 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.