LukvsLukasWhat's the difference?

Which to use

“Luk” and “Lukas” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#45,495
“Luk” frequency rank
#21,572
“Lukas” frequency rank
67067
confusion score

Side-by-Side Comparison

Feature Luk Lukas
Definition A surname. A male given name from Latin, of rare usage, variant of Lucas.

Letter map: Luk vs Lukas

Shared letters muted; letters that set Luk and Lukas apart highlighted. Shared run: 3.

3 ch
Luk
5 ch
Lukas

Spelling & dictionary notes on Luk vs Lukas

Luk and Lukas are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 extra letter(s) - “Luk” sits inside “Lukas”. Our composite confusion score for this pair is 67067, derived from the frequency rank of both members and their visual similarity.

Luk is recorded at frequency rank #45,495, classified as aname. Lukas is at rank #21,572, tagged as aname.

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 67067, this pair ranks #65,108 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Luk vs Lukas

Shared letters: klu. Private to "Luk": -. Private to "Lukas": as.

"Luk" · 3 letters · shape CVC  ·  "Lukas" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Lukaslkuas · llukas · luaks · lukass · lukkas · luksa · ulkas

Frequently Asked Questions

Do "Luk" and "Lukas" mean the same thing in a sentence?
No. They differ by 2 extra letter(s) - “Luk” sits inside “Lukas”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "Luk" vs "Lukas" - which ranks higher?
"Lukas" is the more common of the two: it sits at frequency rank #21,572 in our English list, against #45,495 for "Luk". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "Luk" and "Lukas". Here's where to go from here.

  • Full dictionary entry for "Luk" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Lukas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #65,108 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Luk" and "Lukas" also get mixed up with nearby pairs, the highest-scored neighbour is "LSC vs Luk". 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 #65,108 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list