batvsbiasConfusable pair

Which to use

“bat” and “bias” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#21,374
“bat” frequency rank
#42,337
“bias” frequency rank
63711
confusion score

Side-by-Side Comparison

Feature bat bias
Definition morcego tendência ou distorção do julgamento de um observador por estar ele envolvido com o objeto de observação

Where the eye mixes bat and bias

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. bat runs 3 letters (CVC) against bias's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
bat
4 ch
bias

Why the eye confuses bat with bias

A purely visual mix-up. bat (/bæt/) and bias (/ˈbi.ɐs/) 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 63711, derived from the frequency rank of both members and their visual similarity.

bat is recorded at frequency rank #21,374, classified as anoun, pronounced /bæt/. bias is at rank #42,337, tagged as anoun, pronounced /ˈbi.ɐs/.

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 63711, this pair ranks #6,077 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of bat vs bias

Shared letters: ab. Private to "bat": t. Private to "bias": is.

"bat" · 3 letters · shape CVC  ·  "bias" · 4 letters · shape CVVC

Known mistypes of this pair

  • bias ← bais · bbias · biass · bisa · ibas

Frequently Asked Questions

Can "bat" and "bias" be used interchangeably?
No. They are said differently (/bæt/ versus /ˈbi.ɐs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "bat" or "bias"?
"bat" is the more common of the two: it sits at frequency rank #21,374 in our Portuguese list, against #42,337 for "bias". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "bat" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bias" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #6,077 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "bat" and "bias" also get mixed up with nearby pairs, the highest-scored neighbour is "bias vs bile". 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 #6,077 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list