Which to use
“sœur” is a noun and “seu” is an adjective - they look or sound alike but fill different roles in a sentence.
- #1,380
- “sœur” frequency rank
- #35,274
- “seu” frequency rank
- 36654
- confusion score
Side-by-Side Comparison
| Feature | sœur | seu |
|---|---|---|
| Definition | Femme ou fille, ayant le même père et la même mère que la personne considérée. Si un seul des parents est commun, c’est une demi-sœur. | Sa, son. |
Where the spellings diverge
Shared letters are muted; the letters that actually set sœur and seu apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sœur is anoun and seuanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 36654, derived from the frequency rank of both members and their visual similarity.
sœur is recorded at frequency rank #1,380, classified as anoun, pronounced \sœʁ\. seu is at rank #35,274, tagged as anadj.
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 36654, this pair ranks #268,083 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sœur vs seu
Shared letters: su. Private to "sœur": rœ. Private to "seu": e.
"sœur" · 4 letters · shape CVVC · "seu" · 3 letters · shape CVV
Frequency comparison
Frequently Asked Questions
Can "sœur" and "seu" be used interchangeably?
Which is more common, "sœur" or "seu"?
Remembering sœur vs seu
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “sœur”; for an adjective, it's “seu”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “sœur” entry
- Browse more pairs most likely to be confused. Most confusable