Which to use
“acid” and “acide” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #43,247
- “acid” frequency rank
- #4,302
- “acide” frequency rank
- 47549
- confusion score
Side-by-Side Comparison
| Feature | acid | acide |
|---|---|---|
| Definition | Acide, aigre, sur, aigri, revêche, hargneux. | Qualifie une saveur aigre ou piquante. |
Where the eye mixes acid and acide
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. acid runs 4 letters (VCVC) against acide's 5 (VCVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: acid vs acide
A purely visual mix-up. acid (\a.ˈʦid\) and acide (\a.sid\) 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 extra letter(s) - “acid” sits inside “acide”. Our composite confusion score for this pair is 47549, derived from the frequency rank of both members and their visual similarity.
acid is recorded at frequency rank #43,247, classified as anadj, pronounced \a.ˈʦid\. acide is at rank #4,302, tagged as anadj, pronounced \a.sid\.
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 47549, this pair ranks #186,077 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of acid vs acide
Shared letters: acdi. Private to "acid": -. Private to "acide": e.
"acid" · 4 letters · shape VCVC · "acide" · 5 letters · shape VCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "acid" and "acide" mean the same thing in a sentence?
In ordinary French text, does "acid" or "acide" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "acid" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "acide" - compare definitions side by side with the headword page. Word entry
- This pair ranks #186,077 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "acid" and "acide" also get mixed up with nearby pairs, the highest-scored neighbour is "ACF vs acid". 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 #186,077 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.