boavsbusWhich spelling fits?

Which to use

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

#29,666
“boa” frequency rank
#1,508
“bus” frequency rank
31174
confusion score

Side-by-Side Comparison

Feature boa bus
Definition Genre de serpents qui se trouvent principalement en Amérique du Sud et qui sont les plus forts et les plus grands que l’on connaisse. Véhicule de transport en commun routier pouvant transporter plusieurs dizaines de passagers.

Where the eye mixes boa and bus

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
boa
3 ch
bus

Why the eye confuses boa with bus

A purely visual mix-up. boa (\bo.a\) and bus (\bys\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 31174, derived from the frequency rank of both members and their visual similarity.

boa is recorded at frequency rank #29,666, classified as anoun, pronounced \bo.a\. 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 31174, this pair ranks #305,511 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of boa vs bus

Shared letters: b. Private to "boa": ao. Private to "bus": su.

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

Frequently Asked Questions

Can "boa" and "bus" be used interchangeably?
No. They are said differently (\bo.a\ versus \bys\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "boa" or "bus"?
"bus" is the more common of the two: it sits at frequency rank #1,508 in our French list, against #29,666 for "boa". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "boa" 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 #305,511 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "boa" and "bus" also get mixed up with nearby pairs, the highest-scored neighbour is "boa vs bold". Nearby pair

Confusion rank #305,511 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