LutzvsluxTell them apart

Quick tell: Lutz is a name, lux is a noun, so they fill different roles in a sentence.

Which to use

“Lutz” is a name and “lux” is a noun - they look or sound alike but fill different roles in a sentence.

#36,477
“Lutz” frequency rank
#18,246
“lux” frequency rank
54723
confusion score

Side-by-Side Comparison

Feature Lutz lux
Definition Nom de famille allemand. Unité de mesure d’éclairement lumineux du Système international, définie comme lumen par mètre carré, dont le symbole est lx.

Letter map: Lutz vs lux

Shared letters muted; letters that set Lutz and lux apart highlighted. Shared run: 2.

4 ch
Lutz
3 ch
lux

Role in the sentence - Lutz and lux

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Lutz is aname and luxanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 54723, derived from the frequency rank of both members and their visual similarity.

Lutz is recorded at frequency rank #36,477, classified as aname. lux is at rank #18,246, tagged as anoun, pronounced \lyks\.

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 54723, this pair ranks #132,102 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Lutz vs lux

Shared letters: lu. Private to "Lutz": tz. Private to "lux": x.

"Lutz" · 4 letters · shape CVCC  ·  "lux" · 3 letters · shape CVC

Known mistypes of this pair

  • Lutzllutz · ltuz · luttz · lutzz · luzt · ultz

Frequently Asked Questions

Do "Lutz" and "lux" mean the same thing in a sentence?
No - they are not even the same part of speech. "Lutz" is a name and "lux" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "Lutz" or "lux" show up more?
"lux" is the more common of the two: it sits at frequency rank #18,246 in our French list, against #36,477 for "Lutz". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "Lutz" and "lux".

  • Full dictionary entry for "Lutz" 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 #132,102 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Lutz" and "lux" also get mixed up with nearby pairs, the highest-scored neighbour is "lure vs Lutz". 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 #132,102 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list