SergeivsservedConfusable pair

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

Which to use

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

#15,269
“Sergei” frequency rank
#1,647
“served” frequency rank
16916
confusion score

Side-by-Side Comparison

Feature Sergei served
Definition A transliteration of the Russian male given name Серге́й (Sergéj), equivalent to Sergius. simple past and past participle of serve

Letter map: Sergei vs served

Shared letters muted; letters that set Sergei and served apart highlighted. Shared run: 4. Sergei (CVCCVV) and served (CVCCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
Sergei
6 ch
served

Part-of-speech tell for Sergei / served

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Sergei is aname and servedaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 16916, derived from the frequency rank of both members and their visual similarity.

Sergei is recorded at frequency rank #15,269, classified as aname. served is at rank #1,647, tagged as averb, pronounced /sɝvd/.

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 16916, this pair ranks #454,757 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Sergei vs served

Shared letters: ers. Private to "Sergei": gi. Private to "served": dv.

"Sergei" · 6 letters · shape CVCCVV  ·  "served" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • Sergeiesrgei · segrei · seregi · serggei · sergie · serrgei · sregei · ssergei
  • servedesrved · serevd · serrved · servde · servedd · servved · sevred · sreved

Frequently Asked Questions

Can "Sergei" and "served" be used interchangeably?
No - they are not even the same part of speech. "Sergei" is a name and "served" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Sergei" vs "served" - which ranks higher?
"served" is the more common of the two: it sits at frequency rank #1,647 in our English list, against #15,269 for "Sergei". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "Sergei" vs "served" is on the table, pick a follow-up below.

  • Full dictionary entry for "Sergei" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "served" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #454,757 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Sergei" and "served" also get mixed up with nearby pairs, the highest-scored neighbour is "Seager vs Sergei". 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 #454,757 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