bilhãovsbiliarWhich spelling fits?

Quick tell: bilhão is a num, biliar is an adjective, so they fill different roles in a sentence.

Which to use

“bilhão” is a num and “biliar” is an adjective - they look or sound alike but fill different roles in a sentence.

#6,380
“bilhão” frequency rank
#35,041
“biliar” frequency rank
41421
confusion score

Side-by-Side Comparison

Feature bilhão biliar
Definition um milhão de milhões; 1.000.000.000.000 relativo à bile (bílis ou fel)

Letter map: bilhão vs biliar

Shared letters muted; letters that set bilhão and biliar apart highlighted. Shared run: 3.

6 ch
bilhão
6 ch
biliar

Part-of-speech tell for bilhão / biliar

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: bilhão is anum and biliaranadjective. On the page they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 41421, derived from the frequency rank of both members and their visual similarity.

bilhão is recorded at frequency rank #6,380, classified as anum, pronounced /bi.'ʎoŋ/. biliar is at rank #35,041, 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 41421, this pair ranks #24,494 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of bilhão vs biliar

Shared letters: bil. Private to "bilhão": hoã. Private to "biliar": ar.

"bilhão" · 6 letters · shape CVCCVV  ·  "biliar" · 6 letters · shape CVCVVC

Known mistypes of this pair

  • biliarbbiliar · biilar · bilair · biliarr · bilira · billiar · bliiar · ibliar

Frequently Asked Questions

Do "bilhão" and "biliar" mean the same thing in a sentence?
No - they are not even the same part of speech. "bilhão" is a num and "biliar" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "bilhão" or "biliar" show up more?
"bilhão" is the more common of the two: it sits at frequency rank #6,380 in our Portuguese list, against #35,041 for "biliar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "bilhão" vs "biliar" is on the table, pick a follow-up below.

  • Full dictionary entry for "bilhão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "biliar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,494 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "bilhão" and "biliar" also get mixed up with nearby pairs, the highest-scored neighbour is "bailar vs biliar". 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 #24,494 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