seinsvsseuilsTell them apart

Which to use

“seins” and “seuils” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,099
“seins” frequency rank
#16,482
“seuils” frequency rank
20581
confusion score

Side-by-Side Comparison

Feature seins seuils
Definition Pluriel de sein. Pluriel de seuil.

Where the eye mixes seins and seuils

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
seins
6 ch
seuils

Look-alike desk: seins vs seuils

A purely visual mix-up. seins (\sɛ̃\) and seuils (\sœj\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 20581, derived from the frequency rank of both members and their visual similarity.

seins is recorded at frequency rank #4,099, classified as anoun, pronounced \sɛ̃\. seuils is at rank #16,482, tagged as anoun, pronounced \sœj\.

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 20581, this pair ranks #367,538 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seins vs seuils

Shared letters: eis. Private to "seins": n. Private to "seuils": lu.

"seins" · 5 letters · shape CVVCC  ·  "seuils" · 6 letters · shape CVVVCC

Known mistypes of this pair

  • seinsesins · seinns · seinss · seisn · senis · sseins
  • seuilsesuils · seiuls · seuills · seuilss · seuisl · seulis · sseuils · sueils

Frequently Asked Questions

Is swapping "seins" for "seuils" ever safe?
No. They are said differently (\sɛ̃\ versus \sœj\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "seins" vs "seuils" - which ranks higher?
"seins" is the more common of the two: it sits at frequency rank #4,099 in our French list, against #16,482 for "seuils". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "seins" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "seuils" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #367,538 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "seins" and "seuils" also get mixed up with nearby pairs, the highest-scored neighbour is "seals vs seuils". 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 #367,538 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