Which to use
“ll” is a character and “lux” is a noun - they look or sound alike but fill different roles in a sentence.
- #15,141
- “ll” frequency rank
- #23,482
- “lux” frequency rank
- 38623
- confusion score
Side-by-Side Comparison
| Feature | ll | lux |
|---|---|---|
| Definition | Dígrafo que fue considerado -entre 1754 y 2010- como la decimocuarta letra del alfabeto español y su undécima consonante, pero ya no lo es. Su nombre es femenino: la elle, doble ele, plural es elles. En la mayoría de los países hispánicos se pronuncia como y. Es indivisible en la escritura. | Unidad derivada del Sistema Internacional de Unidades para la iluminancia o nivel de iluminación, equivalente a un lumen por metro cuadrado. |
Where the spellings diverge
Shared letters are muted; the letters that actually set ll and lux apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
ll and lux form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 38623, derived from the frequency rank of both members and their visual similarity.
ll is recorded at frequency rank #15,141, classified as acharacter, pronounced [ˈl]. 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 38623, this pair ranks #168,996 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "ll" and "lux" be used interchangeably?
Remembering ll vs lux
The fastest way to pick the right one every time.
- Check the role first: if you need a character, it's “ll”; for a noun, it's “lux”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “ll” entry
- Browse more pairs most likely to be confused. Most confusable