Lux

[lʊks]

/[lʊks]/ noun

The verdict

“Lux” is a moderately-common German word, ranked #14,354 in German word frequency and used as a noun.

#14,354
frequency rank, German
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Einheit der Beleuchtungsstärke

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

Lux vs Lv
33% similar
Lux vs LW
33% similar
Lux vs lx
33% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for Lux
PropertyValue
HeadwordLux
LanguageGerman
Part of speechNoun
IPA[lʊks]
Letters3
Frequency rank#14,354
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “Lux” sits in German frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). Lux lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The German entry for Lux is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [lʊks]. Corpus data places it at rank #14,354 in overall German word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Einheit der Beleuchtungsstärke".

No misspelling variants are generated for Lux in our index, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "Lv", "LW", "lx", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

No borrowing history is documented for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct German form is Lux, spelled L-U-X.

Definition

  1. 1
    Einheit der Beleuchtungsstärke

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 German corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Lux"?
"Lux" is spelled L-U-X. The IPA pronunciation is [lʊks].
What does "Lux" mean?
As a noun, "Lux" means: Einheit der Beleuchtungsstärke
What words are commonly confused with "Lux"?
"Lux" is commonly confused with "Lv", "LW", "lx". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "Lux"?
The IPA (International Phonetic Alphabet) transcription for "Lux" is [lʊks]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Lux" come from?
"Lux" is a German word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “Lux”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct German spelling is L-U-X - every other letter order is a misspelling in standard orthography.
  • Say it as [lʊks] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “Lv” - see the side-by-side comparison. Lux vs Lv
  • Browse more German words and confusable pairs in the same reference. German words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

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