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. |
Where the spellings diverge
Shared letters are muted; the letters that actually set ACF and aux apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
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
Frequency comparison
Frequently Asked Questions
Can "ACF" and "aux" be used interchangeably?
Which is more common, "ACF" or "aux"?
Remembering ACF vs aux
The fastest way to pick the right one every time.
- Check the role first: if you need a name, it's “ACF”; for an article, it's “aux”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “ACF” entry
- Browse more pairs most likely to be confused. Most confusable