bisvsbusConfusable pair

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

Which to use

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

#7,530
“bis” frequency rank
#1,508
“bus” frequency rank
9038
confusion score

Side-by-Side Comparison

Feature bis bus
Definition Qui est d’un gris beige foncé #766F64 ou clair #F1E2BE. Véhicule de transport en commun routier pouvant transporter plusieurs dizaines de passagers.

Where the eye mixes bis and bus

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
bis
3 ch
bus

Look-alike desk: bis vs bus

These two trip readers on the page rather than in the ear: bis is \bi\ while bus is \bys\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - i in “bis” becomes u in “bus”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 9038, derived from the frequency rank of both members and their visual similarity.

bis is recorded at frequency rank #7,530, classified as anadj, pronounced \bi\. 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 9038, this pair ranks #418,010 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bis vs bus

Shared letters: bs. Private to "bis": i. Private to "bus": u.

"bis" · 3 letters · shape CVC  ·  "bus" · 3 letters · shape CVC

Frequently Asked Questions

Can "bis" and "bus" be used interchangeably?
No - they are not even the same part of speech. "bis" is an adjective and "bus" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "bis" or "bus"?
"bus" is the more common of the two: it sits at frequency rank #1,508 in our French list, against #7,530 for "bis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "bis" and "bus" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "bis" 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 #418,010 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "bis" and "bus" also get mixed up with nearby pairs, the highest-scored neighbour is "ber vs bis". Nearby pair

Confusion rank #418,010 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