SergeivsserieWhich spelling fits?

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

Which to use

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

#15,269
“Sergei” frequency rank
#18,950
“serie” frequency rank
34219
confusion score

Side-by-Side Comparison

Feature Sergei serie
Definition A transliteration of the Russian male given name Серге́й (Sergéj), equivalent to Sergius. series

Letter map: Sergei vs serie

Shared letters muted; letters that set Sergei and serie apart highlighted. Shared run: 4. Sergei runs 6 letters (CVCCVV) against serie's 5 (CVCVV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
Sergei
5 ch
serie

Grammar separator: Sergei vs serie

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Sergei is aname and serieanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 34219, derived from the frequency rank of both members and their visual similarity.

Sergei is recorded at frequency rank #15,269, classified as aname. serie is at rank #18,950, tagged as anoun.

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 34219, this pair ranks #322,648 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Sergei vs serie

Shared letters: eirs. Private to "Sergei": g. Private to "serie": -.

"Sergei" · 6 letters · shape CVCCVV  ·  "serie" · 5 letters · shape CVCVV

Known mistypes of this pair

  • Sergei ← esrgei · segrei · seregi · serggei · sergie · serrgei · sregei · ssergei
  • serie ← esrie · seire · serei · serrie · sreie · sserie

Frequently Asked Questions

Is swapping "Sergei" for "serie" ever safe?
No - they are not even the same part of speech. "Sergei" is a name and "serie" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Sergei" or "serie" show up more?
"Sergei" is the more common of the two: it sits at frequency rank #15,269 in our English list, against #18,950 for "serie". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "Sergei" and "serie". Here's where to go from here.

  • Full dictionary entry for "Sergei" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "serie" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #322,648 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Sergei" and "serie" also get mixed up with nearby pairs, the highest-scored neighbour is "segue vs serie". 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 #322,648 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