BasevsbiasTell them apart

Which to use

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

#422
“Base” frequency rank
#42,337
“bias” frequency rank
42759
confusion score

Side-by-Side Comparison

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

Where the eye mixes Base and bias

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
Base
4 ch
bias

Look-alike desk: Base vs bias

A purely visual mix-up. Base (/baːzə/) 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 share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 42759, derived from the frequency rank of both members and their visual similarity.

Base is recorded at frequency rank #422, classified as anoun, pronounced /baːzə/. 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 42759, this pair ranks #22,976 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Base vs bias

Shared letters: abs. Private to "Base": e. Private to "bias": i.

"Base" · 4 letters · shape CVCV  ·  "bias" · 4 letters · shape CVVC

Known mistypes of this pair

  • Baseabse · baes · basse · bbase · bsae
  • biasbais · bbias · biass · bisa · ibas

Frequently Asked Questions

Can "Base" and "bias" be used interchangeably?
No. They are said differently (/baːzə/ versus /ˈbi.ɐs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Base" vs "bias" - which ranks higher?
"Base" is the more common of the two: it sits at frequency rank #422 in our Portuguese list, against #42,337 for "bias". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "Base" 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 #22,976 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "Base" 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 #22,976 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