bonvsboyWhich spelling fits?

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

Which to use

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

#10,479
“bon” frequency rank
#3,884
“boy” frequency rank
14363
confusion score

Side-by-Side Comparison

Feature bon boy
Definition bom garoto, rapaz, jovem

Letter map: bon vs boy

Shared letters muted; letters that set bon and boy apart highlighted. Shared run: 2.

3 ch
bon
3 ch
boy

Part-of-speech tell for bon / boy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bon is anadjective and boyanoun. On the page they differ by a single letter - n in “bon” becomes y in “boy”. Our composite confusion score for this pair is 14363, derived from the frequency rank of both members and their visual similarity.

bon is recorded at frequency rank #10,479, classified as anadj. boy is at rank #3,884, tagged as anoun, pronounced /bɔɪ/.

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 14363, this pair ranks #57,739 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bon vs boy

Shared letters: bo. Private to "bon": n. Private to "boy": y.

"bon" · 3 letters · shape CVC  ·  "boy" · 3 letters · shape CVV

Frequently Asked Questions

Can "bon" and "boy" be used interchangeably?
No - they are not even the same part of speech. "bon" is an adjective and "boy" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "bon" vs "boy" - which ranks higher?
"boy" is the more common of the two: it sits at frequency rank #3,884 in our Portuguese list, against #10,479 for "bon". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "bon" vs "boy" is on the table, pick a follow-up below.

  • Full dictionary entry for "bon" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "boy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,739 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "bon" and "boy" also get mixed up with nearby pairs, the highest-scored neighbour is "bon vs bué". Nearby pair

Confusion rank #57,739 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