Which to use
“luck” and “lux” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #38,798
- “luck” frequency rank
- #23,482
- “lux” frequency rank
- 62280
- confusion score
Side-by-Side Comparison
| Feature | luck | lux |
|---|---|---|
| Definition | Suerte | Unidad derivada del Sistema Internacional de Unidades para la iluminancia o nivel de iluminación, equivalente a un lumen por metro cuadrado. |
Where the eye mixes luck and lux
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses luck with lux
A purely visual mix-up. luck (/lʌk/) and lux ([ˈluks]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 62280, derived from the frequency rank of both members and their visual similarity.
luck is recorded at frequency rank #38,798, classified as anoun, pronounced /lʌk/. lux is at rank #23,482, tagged as anoun, pronounced [ˈluks].
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 62280, this pair ranks #52,586 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of luck vs lux
Shared letters: lu. Private to "luck": ck. Private to "lux": x.
"luck" · 4 letters · shape CVCC · "lux" · 3 letters · shape CVC
Known mistypes of this pair
- luck ← lcuk · lluck · lucck · luckk · lukc · ulck
Frequently Asked Questions
Can "luck" and "lux" be used interchangeably?
In ordinary Spanish text, does "luck" or "lux" 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 "luck" 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 #52,586 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "luck" and "lux" also get mixed up with nearby pairs, the highest-scored neighbour is "lac vs luck". 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 #52,586 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.