lnvsLuxWhich spelling fits?

Quick tell: ln is a abbrev, Lux is a noun, so they fill different roles in a sentence.

Which to use

“ln” is an abbrev and “Lux” is a noun - they look or sound alike but fill different roles in a sentence.

#13,427
“ln” frequency rank
#14,354
“Lux” frequency rank
27781
confusion score

Side-by-Side Comparison

Feature ln Lux
Definition Mathematik: Bezeichnung für den natürlichen Logarithmus, den Logarithmus zur Basis e, der Eulerschen Zahl, Kurzschreibweise für logₑ Einheit der Beleuchtungsstärke

Letter map: ln vs Lux

Shared letters muted; letters that set ln and Lux apart highlighted. Shared run: 1.

2 ch
ln
3 ch
Lux

Part-of-speech tell for ln / Lux

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ln is anabbrev and Luxanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 27781, derived from the frequency rank of both members and their visual similarity.

ln is recorded at frequency rank #13,427, classified as anabbrev. Lux is at rank #14,354, tagged as anoun, pronounced [lʊks].

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 27781, this pair ranks #1,796,018 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ln vs Lux

Shared letters: l. Private to "ln": n. Private to "Lux": ux.

"ln" · 2 letters · shape CC  ·  "Lux" · 3 letters · shape CVC

Frequently Asked Questions

Can "ln" and "Lux" be used interchangeably?
No - they are not even the same part of speech. "ln" is an abbrev and "Lux" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "ln" or "Lux" show up more?
"ln" is the more common of the two: it sits at frequency rank #13,427 in our German list, against #14,354 for "Lux". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "ln" vs "Lux" is on the table, pick a follow-up below.

  • Full dictionary entry for "ln" 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 #1,796,018 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ln" and "Lux" also get mixed up with nearby pairs, the highest-scored neighbour is "Lai vs Lux". Nearby pair

Confusion rank #1,796,018 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list