AndreasvsAndreiTell them apart

Which to use

“Andreas” and “Andrei” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#15,329
“Andreas” frequency rank
#21,437
“Andrei” frequency rank
36766
confusion score

Side-by-Side Comparison

Feature Andreas Andrei
Definition A male given name from Ancient Greek from the Latin form of Andrew. A transliteration of the Russian male given name Андре́й (Andréj), equivalent to Andrew.

Letter map: Andreas vs Andrei

Shared letters muted; letters that set Andreas and Andrei apart highlighted. Shared run: 5.

7 ch
Andreas
6 ch
Andrei

Spelling & dictionary notes on Andreas vs Andrei

Andreas and Andrei are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 36766, derived from the frequency rank of both members and their visual similarity.

Andreas is recorded at frequency rank #15,329, classified as aname. Andrei is at rank #21,437, tagged as aname, pronounced /ˈɑːndɹeɪ/.

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 36766, this pair ranks #300,331 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Andreas vs Andrei

Shared letters: adenr. Private to "Andreas": s. Private to "Andrei": i.

"Andreas" · 7 letters · shape VCCCVVC  ·  "Andrei" · 6 letters · shape VCCCVV

Known mistypes of this pair

  • Andreasadnreas · anddreas · anderas · andraes · andreass · andresa · andrreas · anndreas
  • Andreiadnrei · anddrei · anderi · andrie · andrrei · anndrei · anrdei · nadrei

Frequently Asked Questions

Is swapping "Andreas" for "Andrei" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "Andreas" or "Andrei"?
"Andreas" is the more common of the two: it sits at frequency rank #15,329 in our English list, against #21,437 for "Andrei". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "Andreas" and "Andrei".

  • Full dictionary entry for "Andreas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Andrei" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #300,331 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Andreas" and "Andrei" also get mixed up with nearby pairs, the highest-scored neighbour is "Andrei vs Andrey". 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 #300,331 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