auxvsAVSWhat's the difference?

Quick tell: aux is a article, AVS is a noun, so they fill different roles in a sentence.

Which to use

“aux” is an article and “AVS” is a noun - they look or sound alike but fill different roles in a sentence.

#58
“aux” frequency rank
#44,878
“AVS” frequency rank
44936
confusion score

Side-by-Side Comparison

Feature aux AVS
Definition Contraction obligatoire de la préposition à et de l'article défini les. Personne en contrat aidé pour l’Éducation nationale et s’occupant de l’accompagnement, de la socialisation, de la sécurité et de l’aide à la scolarisation d’enfants en situation de handicap ou présentant un trouble de santé invalidant, dans des classes spécialisées ou dans des classes ordinaires.

Where the eye mixes aux and AVS

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

3 ch
aux
3 ch
AVS

Look-alike desk: aux vs AVS

These two trip readers on the page rather than in the ear: aux is \o\ while AVS is \a.ve.ɛs\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (article vs noun), which is usually the fastest check. Our composite confusion score for this pair is 44936, derived from the frequency rank of both members and their visual similarity.

aux is recorded at frequency rank #58, classified as anarticle, pronounced \o\. AVS is at rank #44,878, tagged as anoun, pronounced \a.ve.ɛs\.

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 44936, this pair ranks #206,680 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aux vs AVS

Shared letters: a. Private to "aux": ux. Private to "AVS": sv.

"aux" · 3 letters · shape VVC  ·  "AVS" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "aux" for "AVS" ever safe?
No - they are not even the same part of speech. "aux" is an article and "AVS" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "aux" vs "AVS" - which ranks higher?
"aux" is the more common of the two: it sits at frequency rank #58 in our French list, against #44,878 for "AVS". 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 "aux" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "AVS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #206,680 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "aux" and "AVS" also get mixed up with nearby pairs, the highest-scored neighbour is "aves vs AVS". Nearby pair

Confusion rank #206,680 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list