Which to use
“sei” is a verb and “Stein” is a name - they look or sound alike but fill different roles in a sentence.
- #36,154
- “sei” frequency rank
- #24,781
- “Stein” frequency rank
- 60935
- confusion score
Side-by-Side Comparison
| Feature | sei | Stein |
|---|---|---|
| Definition | Deuxième personne du singulier de l’impératif présent de sein. | Ville et commune d’Allemagne, située en Bavière. |
Where the eye mixes sei and Stein
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses sei with Stein
These two trip readers on the page rather than in the ear: sei is \zaɪ̯\ while Stein is \ʃtajn\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs name), which is usually the fastest check. Our composite confusion score for this pair is 60935, derived from the frequency rank of both members and their visual similarity.
sei is recorded at frequency rank #36,154, classified as averb, pronounced \zaɪ̯\. Stein is at rank #24,781, tagged as aname, pronounced \ʃtajn\.
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 60935, this pair ranks #94,979 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of sei vs Stein
Shared letters: eis. Private to "sei": -. Private to "Stein": nt.
"sei" · 3 letters · shape CVV · "Stein" · 5 letters · shape CCVVC
Known mistypes of this pair
- Stein ← setin · sstein · steinn · steni · stien · sttein · tsein
Frequently Asked Questions
Is swapping "sei" for "Stein" ever safe?
Which is more common, "sei" or "Stein"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "sei" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Stein" - compare definitions side by side with the headword page. Word entry
- This pair ranks #94,979 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "sei" and "Stein" also get mixed up with nearby pairs, the highest-scored neighbour is "sei vs suu". 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 #94,979 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.