Which to use
“ab” and “an” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,951
- “ab” frequency rank
- #363
- “an” frequency rank
- 10314
- confusion score
Side-by-Side Comparison
| Feature | ab | an |
|---|---|---|
| Definition | ou (académique) Onzième mois du calendrier hébreu. | Temps que met la Terre à accomplir une révolution autour du Soleil et qui se divise en douze mois. Année (voir Notes plus bas). |
Where the eye mixes ab and an
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between ab and an
A purely visual mix-up. ab (\av\) and an (\ɑ̃\) 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 a single letter - b in “ab” becomes n in “an”. Our composite confusion score for this pair is 10314, derived from the frequency rank of both members and their visual similarity.
ab is recorded at frequency rank #9,951, classified as anoun, pronounced \av\. an is at rank #363, tagged as anoun, pronounced \ɑ̃\.
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 10314, this pair ranks #413,439 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ab vs an
Shared letters: a. Private to "ab": b. Private to "an": n.
"ab" · 2 letters · shape VC · "an" · 2 letters · shape VC
Frequently Asked Questions
Do "ab" and "an" mean the same thing in a sentence?
Which is more common, "ab" or "an"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ab" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "an" - compare definitions side by side with the headword page. Word entry
- This pair ranks #413,439 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ab" and "an" also get mixed up with nearby pairs, the highest-scored neighbour is "ab vs aur". Nearby pair
Confusion rank #413,439 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.