Which to use
“ACF” is a name and “aux” is an article - they look or sound alike but fill different roles in a sentence.
- #48,303
- “ACF” frequency rank
- #58
- “aux” frequency rank
- 48361
- confusion score
Side-by-Side Comparison
| Feature | ACF | aux |
|---|---|---|
| Definition | Association internationale de lutte contre la faim dans le monde. | Contraction obligatoire de la préposition à et de l'article défini les. |
Letter map: ACF vs aux
Shared letters muted; letters that set ACF and aux apart highlighted. Shared run: 1. ACF (VCC) and aux (VVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Grammar separator: ACF vs aux
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ACF is aname and auxanarticle. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 48361, derived from the frequency rank of both members and their visual similarity.
ACF is recorded at frequency rank #48,303, classified as aname. aux is at rank #58, 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 48361, this pair ranks #179,527 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ACF vs aux
Shared letters: a. Private to "ACF": cf. Private to "aux": ux.
"ACF" · 3 letters · shape VCC · "aux" · 3 letters · shape VVC
Frequently Asked Questions
Can "ACF" and "aux" be used interchangeably?
Frequency check: "ACF" vs "aux" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "ACF" and "aux".
- Full dictionary entry for "ACF" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aux" - compare definitions side by side with the headword page. Word entry
- This pair ranks #179,527 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ACF" and "aux" also get mixed up with nearby pairs, the highest-scored neighbour is "ACF vs aur". Nearby pair
Confusion rank #179,527 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.