sergevsSergeiWhich spelling fits?

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

Which to use

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

#21,925
“serge” frequency rank
#15,269
“Sergei” frequency rank
37194
confusion score

Side-by-Side Comparison

Feature serge Sergei
Definition A type of worsted cloth. A transliteration of the Russian male given name Серге́й (Sergéj), equivalent to Sergius.

Letter map: serge vs Sergei

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

5 ch
serge
6 ch
Sergei

Part-of-speech tell for serge / Sergei

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: serge is anoun and Sergeianame. On the page they differ by 1 extra letter(s) - “serge” sits inside “Sergei”. Our composite confusion score for this pair is 37194, derived from the frequency rank of both members and their visual similarity.

serge is recorded at frequency rank #21,925, classified as anoun, pronounced /sɜːd͡ʒ/. Sergei is at rank #15,269, 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 37194, this pair ranks #296,609 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of serge vs Sergei

Shared letters: egrs. Private to "serge": -. Private to "Sergei": i.

"serge" · 5 letters · shape CVCCV  ·  "Sergei" · 6 letters · shape CVCCVV

Known mistypes of this pair

  • sergeesrge · segre · sereg · sergge · serrge · srege · sserge
  • Sergeiesrgei · segrei · seregi · serggei · sergie · serrgei · sregei · ssergei

Frequently Asked Questions

Do "serge" and "Sergei" mean the same thing in a sentence?
No - they are not even the same part of speech. "serge" is a noun and "Sergei" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "serge" or "Sergei" show up more?
"Sergei" is the more common of the two: it sits at frequency rank #15,269 in our English list, against #21,925 for "serge". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "serge" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Sergei" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #296,609 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "serge" and "Sergei" also get mixed up with nearby pairs, the highest-scored neighbour is "segue vs serge". 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 #296,609 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