Which to use
“loud” is an adjective and “lousa” is a noun - they look or sound alike but fill different roles in a sentence.
- #19,206
- “loud” frequency rank
- #32,242
- “lousa” frequency rank
- 51448
- confusion score
Side-by-Side Comparison
| Feature | loud | lousa |
|---|---|---|
| Definition | alto, elevado, intenso (em se falando de som) | quadro-negro |
Where the eye mixes loud and lousa
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. loud runs 4 letters (CVVC) against lousa's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: loud vs lousa
These two trip readers on the page rather than in the ear: loud is /laʊd/ while lousa is /ˈlow.zɐ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 51448, derived from the frequency rank of both members and their visual similarity.
loud is recorded at frequency rank #19,206, classified as anadj, pronounced /laʊd/. lousa is at rank #32,242, tagged as anoun, pronounced /ˈlow.zɐ/.
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 51448, this pair ranks #13,596 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of loud vs lousa
Shared letters: lou. Private to "loud": d. Private to "lousa": as.
"loud" · 4 letters · shape CVVC · "lousa" · 5 letters · shape CVVCV
Known mistypes of this pair
Frequently Asked Questions
Can "loud" and "lousa" be used interchangeably?
In ordinary Portuguese text, does "loud" or "lousa" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "loud" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lousa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #13,596 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "loud" and "lousa" also get mixed up with nearby pairs, the highest-scored neighbour is "loch vs loud". 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 #13,596 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.