défendeurvsdéfenseurTell them apart

Which to use

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

#36,814
“défendeur” frequency rank
#4,326
“défenseur” frequency rank
41140
confusion score

Side-by-Side Comparison

Feature défendeur défenseur
Definition Celui à qui on fait une demande en justice, la partie à laquelle le procès est intenté, par opposition au demandeur. Celui qui défend quelqu’un ou quelque chose qui est attaqué.

Where the eye mixes défendeur and défenseur

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. défendeur and défenseur follow the identical consonant-vowel pattern (CVCVCCVVC). Same shape at a glance is often the real trap, independent of shared letters.

9 ch
défendeur
9 ch
défenseur

Visual trap between défendeur and défenseur

A purely visual mix-up. défendeur (\de.fɑ̃.dœʁ\) and défenseur (\de.fɑ̃.sœʁ\) 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 a single letter - d in “défendeur” becomes s in “défenseur”. Our composite confusion score for this pair is 41140, derived from the frequency rank of both members and their visual similarity.

défendeur is recorded at frequency rank #36,814, classified as anoun, pronounced \de.fɑ̃.dœʁ\. défenseur is at rank #4,326, tagged as anoun, pronounced \de.fɑ̃.sœʁ\.

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 41140, this pair ranks #235,321 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of défendeur vs défenseur

Shared letters: defnrué. Private to "défendeur": -. Private to "défenseur": s.

"défendeur" · 9 letters · shape CVCVCCVVC  ·  "défenseur" · 9 letters · shape CVCVCCVVC

Frequently Asked Questions

Is swapping "défendeur" for "défenseur" ever safe?
No. They are said differently (\de.fɑ̃.dœʁ\ versus \de.fɑ̃.sœʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "défendeur" or "défenseur"?
"défenseur" is the more common of the two: it sits at frequency rank #4,326 in our French list, against #36,814 for "défendeur". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "défendeur" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "défenseur" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #235,321 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "défendeur" and "défenseur" also get mixed up with nearby pairs, the highest-scored neighbour is "defender vs défendeur". Nearby pair

Confusion rank #235,321 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