biovsbonWhich spelling fits?

Which to use

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

#2,984
“bio” frequency rank
#108
“bon” frequency rank
3092
confusion score

Side-by-Side Comparison

Feature bio bon
Definition Qui provient de l’agriculture biologique. Qui a des qualités conformes à ce que l’on attendait.

Letter map: bio vs bon

Shared letters muted; letters that set bio and bon apart highlighted. Shared run: 2.

3 ch
bio
3 ch
bon

Corpus notes: bio and bon

bio and bon are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 3092, derived from the frequency rank of both members and their visual similarity.

bio is recorded at frequency rank #2,984, classified as anadj. bon is at rank #108, tagged as anadj, pronounced \bɔ̃\.

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 3092, this pair ranks #434,801 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bio vs bon

Shared letters: bo. Private to "bio": i. Private to "bon": n.

"bio" · 3 letters · shape CVV  ·  "bon" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "bio" for "bon" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "bio" or "bon"?
"bon" is the more common of the two: it sits at frequency rank #108 in our French list, against #2,984 for "bio". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "bio" and "bon".

  • Full dictionary entry for "bio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #434,801 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "bio" and "bon" also get mixed up with nearby pairs, the highest-scored neighbour is "ber vs bio". Nearby pair

Confusion rank #434,801 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