bicvsbioWhich spelling fits?

Quick tell: bic is a noun, bio is an adjective, so they fill different roles in a sentence.

Which to use

“bic” is a noun and “bio” is an adjective - they look or sound alike but fill different roles in a sentence.

#23,466
“bic” frequency rank
#2,984
“bio” frequency rank
26450
confusion score

Side-by-Side Comparison

Feature bic bio
Definition Stylo à bille. Qui provient de l’agriculture biologique.

Letter map: bic vs bio

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

3 ch
bic
3 ch
bio

Role in the sentence - bic and bio

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bic is anoun and bioanadjective. On the page they differ by a single letter - c in “bic” becomes o in “bio”. Our composite confusion score for this pair is 26450, derived from the frequency rank of both members and their visual similarity.

bic is recorded at frequency rank #23,466, classified as anoun, pronounced \bik\. 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 26450, this pair ranks #334,925 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bic vs bio

Shared letters: bi. Private to "bic": c. Private to "bio": o.

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

Frequently Asked Questions

Is swapping "bic" for "bio" ever safe?
No - they are not even the same part of speech. "bic" is a noun and "bio" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "bic" or "bio" show up more?
"bio" is the more common of the two: it sits at frequency rank #2,984 in our French list, against #23,466 for "bic". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "bic" 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 #334,925 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "bic" and "bio" also get mixed up with nearby pairs, the highest-scored neighbour is "ber vs bic". Nearby pair

Confusion rank #334,925 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