betavsboaWhich spelling fits?

Which to use

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

#6,033
“beta” frequency rank
#165
“boa” frequency rank
6198
confusion score

Side-by-Side Comparison

Feature beta boa
Definition 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") jiboia

Where the eye mixes beta and boa

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

4 ch
beta
3 ch
boa

Look-alike desk: beta vs boa

A purely visual mix-up. beta (/ˈbɛ.tɐ/) and boa (/ˈbo.ɐ/) 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 6198, derived from the frequency rank of both members and their visual similarity.

beta is recorded at frequency rank #6,033, classified as anoun, pronounced /ˈbɛ.tɐ/. boa is at rank #165, tagged as anoun, pronounced /ˈbo.ɐ/.

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 6198, this pair ranks #68,286 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of beta vs boa

Shared letters: ab. Private to "beta": et. Private to "boa": o.

"beta" · 4 letters · shape CVCV  ·  "boa" · 3 letters · shape CVV

Known mistypes of this pair

  • betabbeta · beat · betta · btea · ebta

Frequently Asked Questions

Is swapping "beta" for "boa" ever safe?
No. They are said differently (/ˈbɛ.tɐ/ versus /ˈbo.ɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "beta" vs "boa" - which ranks higher?
"boa" is the more common of the two: it sits at frequency rank #165 in our Portuguese list, against #6,033 for "beta". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "beta" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "boa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #68,286 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "beta" and "boa" 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 #68,286 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