Which to use
“bis” and “bison” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #18,497
- “bis” frequency rank
- #20,570
- “bison” frequency rank
- 39067
- confusion score
Side-by-Side Comparison
| Feature | bis | bison |
|---|---|---|
| Definition | plural of bi | A large, wild bovid of the genus Bison. |
Where the eye mixes bis and bison
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: bis vs bison
A purely visual mix-up. bis (/baɪz/) and bison (/ˈbaɪ̯sən/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “bis” sits inside “bison”. Our composite confusion score for this pair is 39067, derived from the frequency rank of both members and their visual similarity.
bis is recorded at frequency rank #18,497, classified as anoun, pronounced /baɪz/. bison is at rank #20,570, tagged as anoun, pronounced /ˈbaɪ̯sən/.
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 39067, this pair ranks #280,139 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of bis vs bison
Shared letters: bis. Private to "bis": -. Private to "bison": no.
"bis" · 3 letters · shape CVC · "bison" · 5 letters · shape CVCVC
Known mistypes of this pair
- bison ← bbison · biosn · bisno · bisonn · bisson · bsion · ibson
Frequently Asked Questions
Do "bis" and "bison" mean the same thing in a sentence?
In ordinary English text, does "bis" or "bison" show up more?
After this comparison
Eye-level mix-up between "bis" and "bison" 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 "bison" - compare definitions side by side with the headword page. Word entry
- This pair ranks #280,139 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "bis" and "bison" also get mixed up with nearby pairs, the highest-scored neighbour is "BFS vs bis". 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 #280,139 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.