boonvsbotoWhich spelling fits?

Quick tell: boon is a adjective, boto is a noun, so they fill different roles in a sentence.

Which to use

“boon” is an adjective and “boto” is a noun - they look or sound alike but fill different roles in a sentence.

#41,373
“boon” frequency rank
#17,714
“boto” frequency rank
59087
confusion score

Side-by-Side Comparison

Feature boon boto
Definition bom, próspero mamífero da ordem dos cetáceos Inia geoffrensis, nativo da Amazônia e das costas do Atlântico e Pacífico, parecido com um golfinho

Letter map: boon vs boto

Shared letters muted; letters that set boon and boto apart highlighted. Shared run: 3.

4 ch
boon
4 ch
boto

Role in the sentence - boon and boto

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: boon is anadjective and botoanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 59087, derived from the frequency rank of both members and their visual similarity.

boon is recorded at frequency rank #41,373, classified as anadj, pronounced /buːn/. boto is at rank #17,714, tagged as anoun.

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 59087, this pair ranks #8,379 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of boon vs boto

Shared letters: bo. Private to "boon": n. Private to "boto": t.

"boon" · 4 letters · shape CVVC  ·  "boto" · 4 letters · shape CVCV

Known mistypes of this pair

  • boonbboon · bono · boonn · obon
  • botobboto · botto · btoo · obto

Frequently Asked Questions

Can "boon" and "boto" be used interchangeably?
No - they are not even the same part of speech. "boon" is an adjective and "boto" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "boon" or "boto" show up more?
"boto" is the more common of the two: it sits at frequency rank #17,714 in our Portuguese list, against #41,373 for "boon". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "boon" vs "boto" is on the table, pick a follow-up below.

  • Full dictionary entry for "boon" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "boto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #8,379 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "boon" and "boto" also get mixed up with nearby pairs, the highest-scored neighbour is "bolor vs boon". 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 #8,379 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