Which to use
“luso” is an adjective and “lux” is a noun - they look or sound alike but fill different roles in a sentence.
- #44,297
- “luso” frequency rank
- #23,482
- “lux” frequency rank
- 67779
- confusion score
Side-by-Side Comparison
| Feature | luso | lux |
|---|---|---|
| Definition | Originario, relativo a, o propio de Portugal. | 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 luso and lux
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: luso vs lux
These two trip readers on the page rather than in the ear: luso is [ˈluso] while lux is [ˈluks]. 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 67779, derived from the frequency rank of both members and their visual similarity.
luso is recorded at frequency rank #44,297, classified as anadj, pronounced [ˈluso]. 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 67779, this pair ranks #36,245 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of luso vs lux
Shared letters: lu. Private to "luso": os. Private to "lux": x.
"luso" · 4 letters · shape CVCV · "lux" · 3 letters · shape CVC
Known mistypes of this pair
- luso ← lluso · lsuo · luos · lusso · ulso
Frequently Asked Questions
Is swapping "luso" for "lux" ever safe?
In ordinary Spanish text, does "luso" or "lux" show up more?
Useful next steps
Eye-level mix-up between "luso" and "lux" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "luso" 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 #36,245 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "luso" and "lux" also get mixed up with nearby pairs, the highest-scored neighbour is "ledo vs luso". 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 #36,245 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.