Which to use
“ace” and “ad” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #14,189
- “ace” frequency rank
- #5,098
- “ad” frequency rank
- 19287
- confusion score
Side-by-Side Comparison
| Feature | ace | ad |
|---|---|---|
| Definition | Service gagnant sans que l'adversaire ait touché la balle. | Pub, publicité ; réclame. |
Where the eye mixes ace and ad
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between ace and ad
A purely visual mix-up. ace (\ɛs\) and ad (\æd\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 19287, derived from the frequency rank of both members and their visual similarity.
ace is recorded at frequency rank #14,189, classified as anoun, pronounced \ɛs\. ad is at rank #5,098, tagged as anoun, pronounced \æd\.
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 19287, this pair ranks #373,994 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ace vs ad
Shared letters: a. Private to "ace": ce. Private to "ad": d.
"ace" · 3 letters · shape VCV · "ad" · 2 letters · shape VC
Frequently Asked Questions
Is swapping "ace" for "ad" ever safe?
Which is more common, "ace" or "ad"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ace" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ad" - compare definitions side by side with the headword page. Word entry
- This pair ranks #373,994 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ace" and "ad" also get mixed up with nearby pairs, the highest-scored neighbour is "ace vs aves". Nearby pair
Confusion rank #373,994 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.