Which to use
“décideur” and “décodeur” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #44,994
- “décideur” frequency rank
- #33,231
- “décodeur” frequency rank
- 78225
- confusion score
Side-by-Side Comparison
| Feature | décideur | décodeur |
|---|---|---|
| Definition | Personne qui décide. | Dispositif effectuant un décodage. |
Where the eye mixes décideur and décodeur
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. décideur and décodeur follow the identical consonant-vowel pattern (CVCVCVVC). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between décideur and décodeur
A purely visual mix-up. décideur (\de.si.dœʁ\) and décodeur (\de.kɔ.dœʁ\) 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 - i in “décideur” becomes o in “décodeur”. Our composite confusion score for this pair is 78225, derived from the frequency rank of both members and their visual similarity.
décideur is recorded at frequency rank #44,994, classified as anoun, pronounced \de.si.dœʁ\. décodeur is at rank #33,231, tagged as anoun, pronounced \de.kɔ.dœʁ\.
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 78225, this pair ranks #26,318 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of décideur vs décodeur
Shared letters: cderué. Private to "décideur": i. Private to "décodeur": o.
"décideur" · 8 letters · shape CVCVCVVC · "décodeur" · 8 letters · shape CVCVCVVC
Frequently Asked Questions
Do "décideur" and "décodeur" mean the same thing in a sentence?
Frequency check: "décideur" vs "décodeur" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "décideur" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "décodeur" - compare definitions side by side with the headword page. Word entry
- This pair ranks #26,318 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "décideur" and "décodeur" also get mixed up with nearby pairs, the highest-scored neighbour is "décideur vs décodeurs". Nearby pair
Confusion rank #26,318 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.