beiravsbetaTell them apart

Which to use

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

#2,708
“beira” frequency rank
#6,033
“beta” frequency rank
8741
confusion score

Side-by-Side Comparison

Feature beira beta
Definition margem o nome da segunda letra do alfabeto grego, de símbolo β, antecedida por alfa e sucedida por gama (no grego moderno é chamada vita e representa o som de "v")

Where the eye mixes beira and beta

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

5 ch
beira
4 ch
beta

Visual trap between beira and beta

A purely visual mix-up. beira (/ˈbɐj.ɾɐ/) and beta (/ˈbɛ.tɐ/) 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 8741, derived from the frequency rank of both members and their visual similarity.

beira is recorded at frequency rank #2,708, classified as anoun, pronounced /ˈbɐj.ɾɐ/. beta is at rank #6,033, tagged as anoun, pronounced /ˈbɛ.tɐ/.

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 8741, this pair ranks #64,918 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of beira vs beta

Shared letters: abe. Private to "beira": ir. Private to "beta": t.

"beira" · 5 letters · shape CVVCV  ·  "beta" · 4 letters · shape CVCV

Known mistypes of this pair

  • beirabbeira · beiar · beirra · beria · biera · ebira
  • betabbeta · beat · betta · btea · ebta

Frequently Asked Questions

Do "beira" and "beta" mean the same thing in a sentence?
No. They are said differently (/ˈbɐj.ɾɐ/ versus /ˈbɛ.tɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "beira" or "beta" show up more?
"beira" is the more common of the two: it sits at frequency rank #2,708 in our Portuguese list, against #6,033 for "beta". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "beira" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "beta" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #64,918 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "beira" and "beta" also get mixed up with nearby pairs, the highest-scored neighbour is "baga vs beta". 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 #64,918 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