Which to use
“ADR” and “aero” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,414
- “ADR” frequency rank
- #48,308
- “aero” frequency rank
- 93722
- confusion score
Side-by-Side Comparison
| Feature | ADR | aero |
|---|---|---|
| Definition | Accord relatif au transport international des marchandises dangereuses par route, fixant les conditions d’emballage, d’étiquetage des marchandises dangereuses, ainsi que celles concernant les véhicules utilisés et le transport lui-même. | Air (mélange gazeux). |
Where the eye mixes ADR and aero
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ADR runs 3 letters (VCC) against aero's 4 (VVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between ADR and aero
A purely visual mix-up. ADR (\ɑ.de.ɛʁ\) and aero (\a.ˈe.ro\) 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 93722, derived from the frequency rank of both members and their visual similarity.
ADR is recorded at frequency rank #45,414, classified as anoun, pronounced \ɑ.de.ɛʁ\. aero is at rank #48,308, tagged as anoun, pronounced \a.ˈe.ro\.
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 93722, this pair ranks #2,090 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of ADR vs aero
Shared letters: ar. Private to "ADR": d. Private to "aero": eo.
"ADR" · 3 letters · shape VCC · "aero" · 4 letters · shape VVCV
Known mistypes of this pair
- aero ← aeor · aerro · areo · earo
Frequently Asked Questions
Is swapping "ADR" for "aero" ever safe?
In ordinary French text, does "ADR" or "aero" 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 "ADR" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aero" - compare definitions side by side with the headword page. Word entry
- This pair ranks #2,090 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ADR" and "aero" also get mixed up with nearby pairs, the highest-scored neighbour is "aero vs avéra". 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 #2,090 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.