Which to use
“luis” is a verb and “Lux” is a noun - they look or sound alike but fill different roles in a sentence.
- #10,126
- “luis” frequency rank
- #14,354
- “Lux” frequency rank
- 24480
- confusion score
Side-by-Side Comparison
| Feature | luis | Lux |
|---|---|---|
| Definition | Indikativ Präteritum Aktiv des Verbs lui | Einheit der Beleuchtungsstärke |
Where the eye mixes luis and Lux
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses luis with Lux
These two trip readers on the page rather than in the ear: luis is [ˈluis] while Lux is [lʊks]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 24480, derived from the frequency rank of both members and their visual similarity.
luis is recorded at frequency rank #10,126, classified as averb, pronounced [ˈluis]. Lux is at rank #14,354, tagged as anoun, pronounced [lʊks].
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 24480, this pair ranks #1,847,004 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of luis vs Lux
Shared letters: lu. Private to "luis": is. Private to "Lux": x.
"luis" · 4 letters · shape CVVC · "Lux" · 3 letters · shape CVC
Known mistypes of this pair
- luis ← lius · lluis · luiss · lusi · ulis
Frequently Asked Questions
Is swapping "luis" for "Lux" ever safe?
Frequency check: "luis" vs "Lux" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "luis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Lux" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,847,004 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "luis" and "Lux" also get mixed up with nearby pairs, the highest-scored neighbour is "Lai vs Lux". 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 #1,847,004 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.