décidesvsdécideurTell them apart

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

Which to use

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

#18,995
“décides” frequency rank
#44,994
“décideur” frequency rank
63989
confusion score

Side-by-Side Comparison

Feature décides décideur
Definition Deuxième personne du singulier de l’indicatif présent de décider. Personne qui décide.

Where the eye mixes décides and décideur

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

7 ch
décides
8 ch
décideur

Visual trap between décides and décideur

These two trip readers on the page rather than in the ear: décides is \de.sid\ while décideur is \de.si.dœʁ\. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 63989, derived from the frequency rank of both members and their visual similarity.

décides is recorded at frequency rank #18,995, classified as averb, pronounced \de.sid\. décideur is at rank #44,994, tagged as anoun, pronounced \de.si.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 63989, this pair ranks #79,231 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of décides vs décideur

Shared letters: cdeié. Private to "décides": s. Private to "décideur": ru.

"décides" · 7 letters · shape CVCVCVC  ·  "décideur" · 8 letters · shape CVCVCVVC

Frequently Asked Questions

Do "décides" and "décideur" mean the same thing in a sentence?
No - they are not even the same part of speech. "décides" is a verb and "décideur" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "décides" or "décideur"?
"décides" is the more common of the two: it sits at frequency rank #18,995 in our French list, against #44,994 for "décideur". 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 "décides" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "décideur" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #79,231 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "décides" and "décideur" also get mixed up with nearby pairs, the highest-scored neighbour is "décideur vs décodeurs". Nearby pair

Confusion rank #79,231 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