NikolaivsNikolausWhat's the difference?

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

Which to use

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

#21,009
“Nikolai” frequency rank
#6,697
“Nikolaus” frequency rank
27706
confusion score

Side-by-Side Comparison

Feature Nikolai Nikolaus
Definition männlicher Vorname Figur des Weihnachtsbrauchtums nach dem Vorbild des heiligen Nikolaus, an deren Existenz die Kinder glauben sollen; sie trägt eine große Mütze und ein langes Gewand und füllt in der Nacht zum 6. Dezember den Kindern Süßigkeiten in die Schuhe oder bringt ihnen andere Geschenke

Letter map: Nikolai vs Nikolaus

Shared letters muted; letters that set Nikolai and Nikolaus apart highlighted. Shared run: 6. Nikolai runs 7 letters (CVCVCVV) against Nikolaus's 8 (CVCVCVVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
Nikolai
8 ch
Nikolaus

Role in the sentence - Nikolai and Nikolaus

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Nikolai is aname and Nikolausanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 27706, derived from the frequency rank of both members and their visual similarity.

Nikolai is recorded at frequency rank #21,009, classified as aname, pronounced […]. Nikolaus is at rank #6,697, tagged as anoun, pronounced [ˈnɪkolaʊ̯s].

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 27706, this pair ranks #1,797,250 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Nikolai vs Nikolaus

Shared letters: aiklno. Private to "Nikolai": -. Private to "Nikolaus": su.

"Nikolai" · 7 letters · shape CVCVCVV  ·  "Nikolaus" · 8 letters · shape CVCVCVVC

Known mistypes of this pair

  • Nikolai ← inkolai · nikkolai · nikloai · nikoali · nikolia · nikollai · nioklai · nkiolai
  • Nikolaus ← inkolaus · nikkolaus · nikloaus · nikoalus · nikolasu · nikolauss · nikollaus · nikoluas

Frequently Asked Questions

Do "Nikolai" and "Nikolaus" mean the same thing in a sentence?
No - they are not even the same part of speech. "Nikolai" is a name and "Nikolaus" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Nikolai" or "Nikolaus"?
"Nikolaus" is the more common of the two: it sits at frequency rank #6,697 in our German list, against #21,009 for "Nikolai". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "Nikolai" and "Nikolaus". Here's where to go from here.

  • Full dictionary entry for "Nikolai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Nikolaus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,797,250 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Nikolai" and "Nikolaus" also get mixed up with nearby pairs, the highest-scored neighbour is "Nikolai 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 #1,797,250 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