sœursvssersConfusable pair

Quick tell: sœurs is a noun, sers is a verb, so they fill different roles in a sentence.

Which to use

“sœurs” is a noun and “sers” is a verb - they look or sound alike but fill different roles in a sentence.

#4,383
“sœurs” frequency rank
#9,390
“sers” frequency rank
13773
confusion score

Side-by-Side Comparison

Feature sœurs sers
Definition Pluriel de sœur. Première personne du singulier de l’indicatif présent de servir.

Where the eye mixes sœurs and sers

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sœurs runs 5 letters (CVVCC) against sers's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
sœurs
4 ch
sers

Visual trap between sœurs and sers

These two trip readers on the page rather than in the ear: sœurs is \sœʁ\ while sers is \sɛʁ\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 13773, derived from the frequency rank of both members and their visual similarity.

sœurs is recorded at frequency rank #4,383, classified as anoun, pronounced \sœʁ\. sers is at rank #9,390, tagged as averb, pronounced \sɛʁ\.

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 13773, this pair ranks #399,595 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sœurs vs sers

Shared letters: rs. Private to "sœurs": . Private to "sers": e.

"sœurs" · 5 letters · shape CVVCC  ·  "sers" · 4 letters · shape CVCC

Known mistypes of this pair

  • sersesrs · serrs · serss · sesr · sres · ssers

Frequently Asked Questions

Do "sœurs" and "sers" mean the same thing in a sentence?
No - they are not even the same part of speech. "sœurs" is a noun and "sers" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "sœurs" or "sers" show up more?
"sœurs" is the more common of the two: it sits at frequency rank #4,383 in our French list, against #9,390 for "sers". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "sœurs" and "sers" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sœurs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sers" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #399,595 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sœurs" and "sers" also get mixed up with nearby pairs, the highest-scored neighbour is "Sepp vs sers". 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 #399,595 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