llvslxWhich spelling fits?

Quick tell: ll is a character, lx is an article, so they fill different roles in a sentence.

Which to use

“ll” is a character and “lx” is an article - they look or sound alike but fill different roles in a sentence.

#15,141
“ll” frequency rank
#39,325
“lx” frequency rank
54466
confusion score

Side-by-Side Comparison

Feature ll lx
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. Artículo determinado neutro singular.

Where the eye mixes ll and lx

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
ll
2 ch
lx

Look-alike desk: ll vs lx

These two trip readers on the page rather than in the ear: ll is [ˈl] while lx is [el]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - l in “ll” becomes x in “lx”, and the parts of speech differ too (character vs article), which is usually the fastest check. Our composite confusion score for this pair is 54466, 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]. lx is at rank #39,325, tagged as anarticle, pronounced [el].

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 54466, this pair ranks #83,189 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ll vs lx

Shared letters: l. Private to "ll": -. Private to "lx": x.

"ll" · 2 letters · shape CC  ·  "lx" · 2 letters · shape CC

Frequently Asked Questions

Can "ll" and "lx" be used interchangeably?
No - they are not even the same part of speech. "ll" is a character and "lx" an article, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "ll" or "lx" show up more?
"ll" is the more common of the two: it sits at frequency rank #15,141 in our Spanish list, against #39,325 for "lx". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "ll" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lx" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #83,189 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ll" and "lx" also get mixed up with nearby pairs, the highest-scored neighbour is "lac vs lx". Nearby pair

Confusion rank #83,189 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