abbvsaboWhich spelling fits?

Which to use

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

#48,887
“abb” frequency rank
#30,039
“abo” frequency rank
78926
confusion score

Side-by-Side Comparison

Feature abb abo
Definition Abbé. Mère.

Where the eye mixes abb and abo

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. abb (VCC) and abo (VCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
abb
3 ch
abo

Why the eye confuses abb with abo

A purely visual mix-up. abb (\ab\) and abo (\a.bo\) 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 “abb” becomes o in “abo”. Our composite confusion score for this pair is 78926, derived from the frequency rank of both members and their visual similarity.

abb is recorded at frequency rank #48,887, classified as anoun, pronounced \ab\. abo is at rank #30,039, tagged as anoun, pronounced \a.bo\.

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 78926, this pair ranks #24,503 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of abb vs abo

Shared letters: ab. Private to "abb": -. Private to "abo": o.

"abb" · 3 letters · shape VCC  ·  "abo" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "abb" for "abo" ever safe?
No. They are said differently (\ab\ versus \a.bo\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "abb" or "abo"?
"abo" is the more common of the two: it sits at frequency rank #30,039 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 "abb" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "abo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,503 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "abb" and "abo" also get mixed up with nearby pairs, the highest-scored neighbour is "abb vs aur". Nearby pair

Confusion rank #24,503 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