ADR vs at, What's the Difference?

Which to use

“ADR” and “at” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#45,414
“ADR” frequency rank: #4,122
“at” frequency rank: 49536
confusion score

Side-by-Side Comparison

Feature	ADR	at
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.	Ancien nom de l’attier, qui a peut-être été importé à la Réunion par les Malbars et les Tamouls ; ce nom était particulièrement fréquent au Sénégal.

Where the eye mixes ADR and at

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

ADR

2 ch

Visual trap between ADR and at

A purely visual mix-up. ADR (\ɑ.de.ɛʁ\) and at (\at\) 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 49536, 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\. at is at rank #4,122, tagged as anoun, pronounced \at\.

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 49536, this pair ranks #169,825 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ADR vs at

Shared letters: a. Private to "ADR": dr. Private to "at": t.

"ADR" · 3 letters · shape VCC · "at" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "ADR" for "at" ever safe?

No. They are said differently (\ɑ.de.ɛʁ\ versus \at\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "ADR" or "at"?

"at" is the more common of the two: it sits at frequency rank #4,122 in our French list, against #45,414 for "ADR". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "at" - compare definitions side by side with the headword page. Word entry
This pair ranks #169,825 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"ADR" and "at" also get mixed up with nearby pairs, the highest-scored neighbour is "ADR vs aur". Nearby pair

Confusion rank #169,825 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.