Which to use
“bilhão” is a num and “brilho” is a noun - they look or sound alike but fill different roles in a sentence.
- #6,380
- “bilhão” frequency rank
- #4,046
- “brilho” frequency rank
- 10426
- confusion score
Side-by-Side Comparison
| Feature | bilhão | brilho |
|---|---|---|
| Definition | um milhão de milhões; 1.000.000.000.000 | brilho |
Where the eye mixes bilhão and brilho
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. bilhão (CVCCVV) and brilho (CCVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: bilhão vs brilho
These two trip readers on the page rather than in the ear: bilhão is /bi.'ʎoŋ/ while brilho is /ˈbɾi.ʎu/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 4 positions, and the parts of speech differ too (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 10426, 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/. brilho is at rank #4,046, tagged as anoun, pronounced /ˈbɾi.ʎu/.
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 10426, this pair ranks #62,684 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of bilhão vs brilho
Shared letters: bhilo. Private to "bilhão": ã. Private to "brilho": r.
"bilhão" · 6 letters · shape CVCCVV · "brilho" · 6 letters · shape CCVCCV
Known mistypes of this pair
- brilho ← bbrilho · birlho · brihlo · brilhho · brillho · briloh · brliho · brrilho
Frequently Asked Questions
Do "bilhão" and "brilho" mean the same thing in a sentence?
In ordinary Portuguese text, does "bilhão" or "brilho" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "bilhão" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "brilho" - compare definitions side by side with the headword page. Word entry
- This pair ranks #62,684 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "bilhão" and "brilho" also get mixed up with nearby pairs, the highest-scored neighbour is "brilho vs brio". 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 #62,684 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.