Which to use
“Louis” is a noun and “lui” is a verb - they look or sound alike but fill different roles in a sentence.
- #2,240
- “Louis” frequency rank
- #34,790
- “lui” frequency rank
- 37030
- confusion score
Side-by-Side Comparison
| Feature | Louis | lui |
|---|---|---|
| Definition | Luís | alugar (tomar de aluguel) |
Where the eye mixes Louis and lui
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Louis runs 5 letters (CVVVC) against lui's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: Louis vs lui
These two trip readers on the page rather than in the ear: Louis is /lwi/. while lui is /ˈlu.i/.. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 37030, derived from the frequency rank of both members and their visual similarity.
Louis is recorded at frequency rank #2,240, classified as anoun, pronounced /lwi/.. 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 37030, this pair ranks #29,669 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Louis vs lui
Shared letters: ilu. Private to "Louis": os. Private to "lui": -.
"Louis" · 5 letters · shape CVVVC · "lui" · 3 letters · shape CVV
Known mistypes of this pair
- Louis ← llouis · loius · louiss · lousi · luois · oluis
Frequently Asked Questions
Is swapping "Louis" for "lui" ever safe?
Which is more common, "Louis" or "lui"?
What to do next
Eye-level mix-up between "Louis" and "lui" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Louis" 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 #29,669 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "Louis" 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 #29,669 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.