batsvsbisWhich spelling fits?

Which to use

“bats” and “bis” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,286
“bats” frequency rank
#18,497
“bis” frequency rank
27783
confusion score

Side-by-Side Comparison

Feature bats bis
Definition plural of bat plural of bi

Where the eye mixes bats and bis

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

4 ch
bats
3 ch
bis

Why the eye confuses bats with bis

A purely visual mix-up. bats (/bæts/) and bis (/baɪz/) 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 1 letter(s) in length. Our composite confusion score for this pair is 27783, derived from the frequency rank of both members and their visual similarity.

bats is recorded at frequency rank #9,286, classified as anoun, pronounced /bæts/. bis is at rank #18,497, tagged as anoun, pronounced /baɪz/.

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 27783, this pair ranks #376,153 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of bats vs bis

Shared letters: bs. Private to "bats": at. Private to "bis": i.

"bats" · 4 letters · shape CVCC  ·  "bis" · 3 letters · shape CVC

Known mistypes of this pair

  • batsabts · batss · batts · bbats · btas

Frequently Asked Questions

Do "bats" and "bis" mean the same thing in a sentence?
No. They are said differently (/bæts/ versus /baɪz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "bats" or "bis"?
"bats" is the more common of the two: it sits at frequency rank #9,286 in our English list, against #18,497 for "bis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "bats" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #376,153 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "bats" and "bis" 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 #376,153 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list