Which to use
“bien” is an adverb and “bio” is an adjective - they look or sound alike but fill different roles in a sentence.
- #53
- “bien” frequency rank
- #2,984
- “bio” frequency rank
- 3037
- confusion score
Side-by-Side Comparison
| Feature | bien | bio |
|---|---|---|
| Definition | Marque un certain degré de perfection et d’utilité. | Qui provient de l’agriculture biologique. |
Letter map: bien vs bio
Shared letters muted; letters that set bien and bio apart highlighted. Shared run: 2.
Role in the sentence - bien and bio
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bien is anadverb and bioanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 3037, derived from the frequency rank of both members and their visual similarity.
bien is recorded at frequency rank #53, classified as anadv, pronounced \bjɛ̃\. bio is at rank #2,984, tagged as anadj.
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 3037, this pair ranks #434,941 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of bien vs bio
Shared letters: bi. Private to "bien": en. Private to "bio": o.
"bien" · 4 letters · shape CVVC · "bio" · 3 letters · shape CVV
Known mistypes of this pair
- bien ← bbien · bienn · bine · iben
Frequently Asked Questions
Do "bien" and "bio" mean the same thing in a sentence?
In ordinary French text, does "bien" or "bio" show up more?
After this comparison
Pair "bien" vs "bio" is on the table, pick a follow-up below.
- Full dictionary entry for "bien" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bio" - compare definitions side by side with the headword page. Word entry
- This pair ranks #434,941 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "bien" and "bio" also get mixed up with nearby pairs, the highest-scored neighbour is "ber vs bio". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #434,941 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.