LucasvsLückeWhat's the difference?

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

Which to use

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

#7,205
“Lucas” frequency rank
#6,083
“Lücke” frequency rank
13288
confusion score

Side-by-Side Comparison

Feature Lucas Lücke
Definition englischer männlicher Vorname Stelle, an der etwas fehlt, das dort sein sollte oder dort hin kann

Letter map: Lucas vs Lücke

Shared letters muted; letters that set Lucas and Lücke apart highlighted. Shared run: 2. Lucas (CVCVC) and Lücke (CVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
Lucas
5 ch
Lücke

Role in the sentence - Lucas and Lücke

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Lucas is aname and Lückeanoun. On the page they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 13288, derived from the frequency rank of both members and their visual similarity.

Lucas is recorded at frequency rank #7,205, classified as aname, pronounced […]. Lücke is at rank #6,083, tagged as anoun, pronounced [ˈlʏkə].

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 13288, this pair ranks #1,958,930 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Lucas vs Lücke

Shared letters: cl. Private to "Lucas": asu. Private to "Lücke": ekü.

"Lucas" · 5 letters · shape CVCVC  ·  "Lücke" · 5 letters · shape CVCCV

Known mistypes of this pair

  • Lucas ← lcuas · llucas · luacs · lucass · luccas · lucsa · ulcas

Frequently Asked Questions

Is swapping "Lucas" for "Lücke" ever safe?
No - they are not even the same part of speech. "Lucas" is a name and "Lücke" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Lucas" or "Lücke"?
"Lücke" is the more common of the two: it sits at frequency rank #6,083 in our German list, against #7,205 for "Lucas". 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 "Lucas" and "Lücke".

  • Full dictionary entry for "Lucas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Lücke" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,958,930 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Lucas" and "Lücke" also get mixed up with nearby pairs, the highest-scored neighbour is "Lucas vs puzzles". 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 #1,958,930 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