als vs au, What's the Difference?

Which to use

“als” is a pronoun and “au” is an article - they look or sound alike but fill different roles in a sentence.

#23,096
“als” frequency rank: #24
“au” frequency rank: 23120
confusion score

Side-by-Side Comparison

Feature	als	au
Definition	Pronom de la troisième personne du singulier utilisé pour parler de plusieurs personnes peu importe(nt) leur(s) genre(s).	Contraction de la préposition à et de l'article défini le.

Where the eye mixes als and au

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

3 ch

als

2 ch

Look-alike desk: als vs au

These two trip readers on the page rather than in the ear: als is \al\ while au is \o\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (pronoun vs article), which is usually the fastest check. Our composite confusion score for this pair is 23120, derived from the frequency rank of both members and their visual similarity.

als is recorded at frequency rank #23,096, classified as apron, pronounced \al\. au is at rank #24, tagged as anarticle, pronounced \o\.

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 23120, this pair ranks #354,239 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of als vs au

Shared letters: a. Private to "als": ls. Private to "au": u.

"als" · 3 letters · shape VCC · "au" · 2 letters · shape VV

Frequently Asked Questions

Do "als" and "au" mean the same thing in a sentence?

No - they are not even the same part of speech. "als" is a pronoun and "au" an article, so a sentence built for one is usually ungrammatical with the other.

In ordinary French text, does "als" or "au" show up more?

"au" is the more common of the two: it sits at frequency rank #24 in our French list, against #23,096 for "als". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

Full dictionary entry for "als" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "au" - compare definitions side by side with the headword page. Word entry
This pair ranks #354,239 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"als" and "au" also get mixed up with nearby pairs, the highest-scored neighbour is "als vs aves". Nearby pair

Confusion rank #354,239 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.