biovsbusConfusable pair

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

Which to use

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

#2,984
“bio” frequency rank
#1,508
“bus” frequency rank
4492
confusion score

Side-by-Side Comparison

Feature bio bus
Definition Qui provient de l’agriculture biologique. Véhicule de transport en commun routier pouvant transporter plusieurs dizaines de passagers.

Letter map: bio vs bus

Shared letters muted; letters that set bio and bus apart highlighted. Shared run: 1.

3 ch
bio
3 ch
bus

Grammar separator: bio vs bus

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bio is anadjective and busanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 4492, derived from the frequency rank of both members and their visual similarity.

bio is recorded at frequency rank #2,984, classified as anadj. bus is at rank #1,508, tagged as anoun, pronounced \bys\.

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 4492, this pair ranks #431,467 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bio vs bus

Shared letters: b. Private to "bio": io. Private to "bus": su.

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

Frequently Asked Questions

Can "bio" and "bus" be used interchangeably?
No - they are not even the same part of speech. "bio" is an adjective and "bus" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "bio" or "bus"?
"bus" is the more common of the two: it sits at frequency rank #1,508 in our French list, against #2,984 for "bio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "bio" vs "bus" is on the table, pick a follow-up below.

  • Full dictionary entry for "bio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #431,467 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "bio" and "bus" also get mixed up with nearby pairs, the highest-scored neighbour is "ber vs bio". Nearby pair

Confusion rank #431,467 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