LuckauvsLückenWhat's the difference?

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

Which to use

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

#49,873
“Luckau” frequency rank
#8,908
“Lücken” frequency rank
58781
confusion score

Side-by-Side Comparison

Feature Luckau Lücken
Definition eine Stadt in Brandenburg, Deutschland Nominativ Plural des Substantivs Lücke

Where the eye mixes Luckau and Lücken

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

6 ch
Luckau
6 ch
Lücken

Visual trap between Luckau and Lücken

These two trip readers on the page rather than in the ear: Luckau is [lʊkaʊ̯] while Lücken is [ˈlʏkn̩]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 58781, derived from the frequency rank of both members and their visual similarity.

Luckau is recorded at frequency rank #49,873, classified as aname, pronounced [lʊkaʊ̯]. Lücken is at rank #8,908, tagged as anoun, pronounced [ˈlʏkn̩].

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 58781, this pair ranks #849,586 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Luckau vs Lücken

Shared letters: ckl. Private to "Luckau": au. Private to "Lücken": enü.

"Luckau" · 6 letters · shape CVCCVV  ·  "Lücken" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • Luckaulcukau · lluckau · lucaku · lucckau · luckkau · luckua · lukcau · ulckau

Frequently Asked Questions

Can "Luckau" and "Lücken" be used interchangeably?
No - they are not even the same part of speech. "Luckau" is a name and "Lücken" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Luckau" or "Lücken"?
"Lücken" is the more common of the two: it sits at frequency rank #8,908 in our German list, against #49,873 for "Luckau". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "Luckau" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Lücken" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #849,586 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Luckau" and "Lücken" also get mixed up with nearby pairs, the highest-scored neighbour is "Lucca vs Luckau". 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 #849,586 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