LechvsLucaWhich spelling fits?

Which to use

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

#22,810
“Lech” frequency rank
#9,944
“Luca” frequency rank
32754
confusion score

Side-by-Side Comparison

Feature Lech Luca
Definition rechter Nebenfluss der oberen Donau in Österreich und Deutschland, welcher an der Rotwandspitze in Vorarlberg entspringt italienischer männlicher Vorname

Letter map: Lech vs Luca

Shared letters muted; letters that set Lech and Luca apart highlighted. Shared run: 2.

4 ch
Lech
4 ch
Luca

Spelling & dictionary notes on Lech vs Luca

Lech and Luca are indexed as a confusable German pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 32754, derived from the frequency rank of both members and their visual similarity.

Lech is recorded at frequency rank #22,810, classified as aname, pronounced [lɛç]. Luca is at rank #9,944, tagged as aname, pronounced […].

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 32754, this pair ranks #1,700,717 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Lech vs Luca

Shared letters: cl. Private to "Lech": eh. Private to "Luca": au.

"Lech" · 4 letters · shape CVCC  ·  "Luca" · 4 letters · shape CVCV

Known mistypes of this pair

  • Lechlceh · lecch · lechh · lehc · llech
  • Lucalcua · lluca · luac · ulca

Frequently Asked Questions

Can "Lech" and "Luca" be used interchangeably?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary German text, does "Lech" or "Luca" show up more?
"Luca" is the more common of the two: it sits at frequency rank #9,944 in our German list, against #22,810 for "Lech". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "Lech" vs "Luca" is on the table, pick a follow-up below.

  • Full dictionary entry for "Lech" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Luca" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,700,717 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Lech" and "Luca" also get mixed up with nearby pairs, the highest-scored neighbour is "Lech vs Lees". 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 #1,700,717 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