lesvslexWhat's the difference?

Quick tell: les is a pronoun, lex is a noun, so they fill different roles in a sentence.

Which to use

“les” is a pronoun and “lex” is a noun - they look or sound alike but fill different roles in a sentence.

#101
“les” frequency rank
#19,783
“lex” frequency rank
19884
confusion score

Side-by-Side Comparison

Feature les lex
Definition Forma del dativo de ellos. Dativo del pronombre personal de tercera persona en género masculino o femenino y número plural. No admite preposición y se puede usar como sufijo: LES di; daLES. Es grave incorrección emplear en este caso para el género masculino la forma los, propia del acusativo, y en femenino tampoco debe emplearse la forma las, aunque lo hayan hecho escritores de nota. Proyecto de ley presentado ante el pueblo.

Where the eye mixes les and lex

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
les
3 ch
lex

Visual trap between les and lex

These two trip readers on the page rather than in the ear: les is [les] while lex is [leːks]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - s in “les” becomes x in “lex”, and the parts of speech differ too (pronoun vs noun), which is usually the fastest check. Our composite confusion score for this pair is 19884, derived from the frequency rank of both members and their visual similarity.

les is recorded at frequency rank #101, classified as apron, pronounced [les]. lex is at rank #19,783, tagged as anoun, pronounced [leːks].

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 19884, this pair ranks #261,797 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of les vs lex

Shared letters: el. Private to "les": s. Private to "lex": x.

"les" · 3 letters · shape CVC  ·  "lex" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "les" for "lex" ever safe?
No - they are not even the same part of speech. "les" is a pronoun and "lex" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "les" vs "lex" - which ranks higher?
"les" is the more common of the two: it sits at frequency rank #101 in our Spanish list, against #19,783 for "lex". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "les" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lex" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #261,797 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "les" and "lex" also get mixed up with nearby pairs, the highest-scored neighbour is "lex vs lies". Nearby pair

Confusion rank #261,797 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list