souchevssourdeWhat's the difference?

Which to use

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

#9,392
“souche” frequency rank
#14,569
“sourde” frequency rank
23961
confusion score

Side-by-Side Comparison

Feature souche sourde
Definition Partie basse du tronc d’un arbre qui reste en terre quand l’arbre a été coupé. Femme sourde.

Where the eye mixes souche and sourde

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. souche and sourde follow the identical consonant-vowel pattern (CVVCCV). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
souche
6 ch
sourde

Look-alike desk: souche vs sourde

A purely visual mix-up. souche (\suʃ\) and sourde (\suʁd\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 23961, derived from the frequency rank of both members and their visual similarity.

souche is recorded at frequency rank #9,392, classified as anoun, pronounced \suʃ\. sourde is at rank #14,569, tagged as anoun, pronounced \suʁd\.

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 23961, this pair ranks #349,460 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of souche vs sourde

Shared letters: eosu. Private to "souche": ch. Private to "sourde": dr.

"souche" · 6 letters · shape CVVCCV  ·  "sourde" · 6 letters · shape CVVCCV

Known mistypes of this pair

  • souche ← osuche · socuhe · soucche · souceh · souchhe · souhce · ssouche · suoche
  • sourde ← osurde · sorude · soudre · sourdde · soured · sourrde · ssourde · suorde

Frequently Asked Questions

Do "souche" and "sourde" mean the same thing in a sentence?
No. They are said differently (\suʃ\ versus \suʁd\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "souche" or "sourde"?
"souche" is the more common of the two: it sits at frequency rank #9,392 in our French list, against #14,569 for "sourde". 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 "souche" and "sourde" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "souche" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sourde" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #349,460 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "souche" and "sourde" also get mixed up with nearby pairs, the highest-scored neighbour is "souabe vs sourde". 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 #349,460 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