mysteryvsSergejWhich spelling fits?

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

Which to use

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

#17,368
“mystery” frequency rank
#24,124
“Sergej” frequency rank
41492
confusion score

Side-by-Side Comparison

Feature mystery Sergej
Definition Geheimnis, Mysterium männlicher Vorname

Letter map: mystery vs Sergej

Shared letters muted; letters that set mystery and Sergej apart highlighted. Shared run: 3. mystery runs 7 letters (CVCCVCV) against Sergej's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
mystery
6 ch
Sergej

Role in the sentence - mystery and Sergej

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mystery is anoun and Sergejaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41492, derived from the frequency rank of both members and their visual similarity.

mystery is recorded at frequency rank #17,368, classified as anoun, pronounced […]. Sergej is at rank #24,124, 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 41492, this pair ranks #1,477,775 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mystery vs Sergej

Shared letters: ers. Private to "mystery": mty. Private to "Sergej": gj.

"mystery" · 7 letters · shape CVCCVCV  ·  "Sergej" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • mysterymmystery · msytery · mysetry · mysstery · mysterry · mysteryy · mysteyr · mystrey
  • Sergejesrgej · segrej · seregj · sergejj · serggej · sergje · serrgej · sregej

Frequently Asked Questions

Do "mystery" and "Sergej" mean the same thing in a sentence?
No - they are not even the same part of speech. "mystery" is a noun and "Sergej" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "mystery" or "Sergej" show up more?
"mystery" is the more common of the two: it sits at frequency rank #17,368 in our German list, against #24,124 for "Sergej". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "mystery" and "Sergej". Here's where to go from here.

  • Full dictionary entry for "mystery" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Sergej" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,477,775 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "mystery" and "Sergej" also get mixed up with nearby pairs, the highest-scored neighbour is "puzzles vs Sergej". 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 #1,477,775 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