Which to use
“loud” is an adjective and “lui” is a verb - they look or sound alike but fill different roles in a sentence.
- #19,206
- “loud” frequency rank
- #34,790
- “lui” frequency rank
- 53996
- confusion score
Side-by-Side Comparison
| Feature | loud | lui |
|---|---|---|
| Definition | alto, elevado, intenso (em se falando de som) | alugar (tomar de aluguel) |
Where the eye mixes loud and lui
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: loud vs lui
These two trip readers on the page rather than in the ear: loud is /laʊd/ while lui is /ˈlu.i/.. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 53996, 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/. lui is at rank #34,790, tagged as averb, pronounced /ˈlu.i/..
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 53996, this pair ranks #11,634 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of loud vs lui
Shared letters: lu. Private to "loud": do. Private to "lui": i.
"loud" · 4 letters · shape CVVC · "lui" · 3 letters · shape CVV
Known mistypes of this pair
- loud ← lloud · lodu · loudd · luod · olud
Frequently Asked Questions
Is swapping "loud" for "lui" ever safe?
In ordinary Portuguese text, does "loud" or "lui" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "loud" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lui" - compare definitions side by side with the headword page. Word entry
- This pair ranks #11,634 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "loud" and "lui" also get mixed up with nearby pairs, the highest-scored neighbour is "ludo vs lui". 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 #11,634 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.