LuxvsLuxusWhich spelling fits?

Which to use

“Lux” and “Luxus” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#14,354
“Lux” frequency rank
#4,908
“Luxus” frequency rank
19262
confusion score

Side-by-Side Comparison

Feature Lux Luxus
Definition Einheit der Beleuchtungsstärke Gegenstände oder Verhaltensweisen, die über das Übliche hinausgehen und nur dem persönlichen Vergnügen dienen

Where the eye mixes Lux and Luxus

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
Lux
5 ch
Luxus

Why the eye confuses Lux with Luxus

A purely visual mix-up. Lux ([lʊks]) and Luxus ([ˈlʊksʊs]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “Lux” sits inside “Luxus”. Our composite confusion score for this pair is 19262, derived from the frequency rank of both members and their visual similarity.

Lux is recorded at frequency rank #14,354, classified as anoun, pronounced [lʊks]. Luxus is at rank #4,908, tagged as anoun, pronounced [ˈlʊksʊs].

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 19262, this pair ranks #1,910,209 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Lux vs Luxus

Shared letters: lux. Private to "Lux": -. Private to "Luxus": s.

"Lux" · 3 letters · shape CVC  ·  "Luxus" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Luxuslluxus · luuxs · luxsu · luxuss · luxxus · lxuus · ulxus

Frequently Asked Questions

Do "Lux" and "Luxus" mean the same thing in a sentence?
No. They are said differently ([lʊks] versus [ˈlʊksʊs]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "Lux" or "Luxus" show up more?
"Luxus" is the more common of the two: it sits at frequency rank #4,908 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.

Useful next steps

Eye-level mix-up between "Lux" and "Luxus" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Lux" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Luxus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,910,209 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Lux" and "Luxus" also get mixed up with nearby pairs, the highest-scored neighbour is "Lai vs Lux". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #1,910,209 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