seinvsSternWhich spelling fits?

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

Which to use

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

#746
“sein” frequency rank
#25,819
“Stern” frequency rank
26565
confusion score

Side-by-Side Comparison

Feature sein Stern
Definition Partie antérieure du thorax humain, où se trouvent les mamelles. Nom de famille.

Letter map: sein vs Stern

Shared letters muted; letters that set sein and Stern apart highlighted. Shared run: 3.

4 ch
sein
5 ch
Stern

Part-of-speech tell for sein / Stern

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sein is anoun and Sternaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 26565, derived from the frequency rank of both members and their visual similarity.

sein is recorded at frequency rank #746, classified as anoun, pronounced \sɛ̃\. Stern is at rank #25,819, 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 26565, this pair ranks #334,214 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sein vs Stern

Shared letters: ens. Private to "sein": i. Private to "Stern": rt.

"sein" · 4 letters · shape CVVC  ·  "Stern" · 5 letters · shape CCVCC

Known mistypes of this pair

  • seinesin · seinn · seni · ssein
  • Sternsetrn · sstern · stenr · sternn · sterrn · stren · sttern · tsern

Frequently Asked Questions

Do "sein" and "Stern" mean the same thing in a sentence?
No - they are not even the same part of speech. "sein" is a noun and "Stern" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sein" or "Stern"?
"sein" is the more common of the two: it sits at frequency rank #746 in our French list, against #25,819 for "Stern". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "sein" and "Stern".

  • Full dictionary entry for "sein" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Stern" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #334,214 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sein" and "Stern" also get mixed up with nearby pairs, the highest-scored neighbour is "Stern vs sternum". 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 #334,214 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list