Which to use
“acre” and “aero” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,433
- “acre” frequency rank
- #48,308
- “aero” frequency rank
- 76741
- confusion score
Side-by-Side Comparison
| Feature | acre | aero |
|---|---|---|
| Definition | Unité de surface égale à 0,4 hectare ou à 4046,9 mètres carrés, encore utilisée en agriculture et dans divers pays avec des valeurs différentes. | Air (mélange gazeux). |
Where the spellings diverge
Shared letters are muted; the letters that actually set acre and aero apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. acre (\akʁ\) and aero (\a.ˈe.ro\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 76741, derived from the frequency rank of both members and their visual similarity.
acre is recorded at frequency rank #28,433, classified as anoun, pronounced \akʁ\. aero is at rank #48,308, tagged as anoun, pronounced \a.ˈe.ro\.
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 76741, this pair ranks #30,285 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of acre vs aero
Shared letters: aer. Private to "acre": c. Private to "aero": o.
"acre" · 4 letters · shape VCCV · "aero" · 4 letters · shape VVCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "acre" and "aero" be used interchangeably?
Which is more common, "acre" or "aero"?
Remembering acre vs aero
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “acre” entry
- Browse more pairs most likely to be confused. Most confusable