A3vsabbWhich spelling fits?

Which to use

“A3” and “abb” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#20,334
“A3” frequency rank
#48,887
“abb” frequency rank
69221
confusion score

Side-by-Side Comparison

Feature A3 abb
Definition Format de papier mesurant 420 mm × 297 mm. Abbé.

Where the eye mixes A3 and abb

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
A3
3 ch
abb

Visual trap between A3 and abb

A purely visual mix-up. A3 (\ɑ.tʁwa\) and abb (\ab\) 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 69221, derived from the frequency rank of both members and their visual similarity.

A3 is recorded at frequency rank #20,334, classified as anoun, pronounced \ɑ.tʁwa\. abb is at rank #48,887, tagged as anoun, pronounced \ab\.

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 69221, this pair ranks #55,994 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of A3 vs abb

Shared letters: a. Private to "A3": -. Private to "abb": b.

"A3" · 1 letters · shape V  ·  "abb" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "A3" for "abb" ever safe?
No. They are said differently (\ɑ.tʁwa\ versus \ab\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "A3" or "abb"?
"A3" is the more common of the two: it sits at frequency rank #20,334 in our French list, against #48,887 for "abb". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "A3" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "abb" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #55,994 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "A3" and "abb" also get mixed up with nearby pairs, the highest-scored neighbour is "abb vs aur". Nearby pair

Confusion rank #55,994 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list