BIOSvsbomWhich spelling fits?

Quick tell: BIOS is a abbrev, bom is an adjective, so they fill different roles in a sentence.

Which to use

“BIOS” is an abbrev and “bom” is an adjective - they look or sound alike but fill different roles in a sentence.

#33,296
“BIOS” frequency rank
#96
“bom” frequency rank
33392
confusion score

Side-by-Side Comparison

Feature BIOS bom
Definition Sigla de Basic Input/Output System que corresponde plenamente ao que é exigido, desejado ou esperado quanto à sua natureza, adequação, função, eficácia, funcionamento etc. (falando de ser ou coisa)

Letter map: BIOS vs bom

Shared letters muted; letters that set BIOS and bom apart highlighted. Shared run: 2.

4 ch
BIOS
3 ch
bom

Role in the sentence - BIOS and bom

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: BIOS is anabbrev and bomanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 33392, derived from the frequency rank of both members and their visual similarity.

BIOS is recorded at frequency rank #33,296, classified as anabbrev. bom is at rank #96, tagged as anadj.

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 33392, this pair ranks #34,154 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of BIOS vs bom

Shared letters: bo. Private to "BIOS": is. Private to "bom": m.

"BIOS" · 4 letters · shape CVVC  ·  "bom" · 3 letters · shape CVC

Known mistypes of this pair

  • BIOSbbios · bioss · biso · bois · ibos

Frequently Asked Questions

Do "BIOS" and "bom" mean the same thing in a sentence?
No - they are not even the same part of speech. "BIOS" is an abbrev and "bom" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "BIOS" or "bom"?
"bom" is the more common of the two: it sits at frequency rank #96 in our Portuguese list, against #33,296 for "BIOS". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "BIOS" and "bom".

  • Full dictionary entry for "BIOS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bom" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #34,154 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "BIOS" and "bom" also get mixed up with nearby pairs, the highest-scored neighbour is "bile vs BIOS". 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 #34,154 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