lasvsluxWhat's the difference?

Quick tell: las is a article, lux is a noun, so they fill different roles in a sentence.

Which to use

“las” is an article and “lux” is a noun - they look or sound alike but fill different roles in a sentence.

#15
“las” frequency rank
#23,482
“lux” frequency rank
23497
confusion score

Side-by-Side Comparison

Feature las lux
Definition Artículo determinado femenino plural. Antecede a sustantivos femeninos en plural denotando que estos deben tomarse como información general consabida. 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 las and lux apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
las
3 ch
lux

Spelling & Dictionary Insight

las 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 share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 23497, derived from the frequency rank of both members and their visual similarity.

las is recorded at frequency rank #15, classified as anarticle, pronounced [las]. 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 23497, this pair ranks #245,532 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

las#15
lux#23,482

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "las" and "lux" be used interchangeably?
No, "las" and "lux" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering las vs lux

The fastest way to pick the right one every time.

  • Check the role first: if you need an article, it's “las”; for a noun, it's “lux”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “las” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list