défoncévsdéfouleWhich spelling fits?

Quick tell: défoncé is a adjective, défoule is a verb, so they fill different roles in a sentence.

Which to use

“défoncé” is an adjective and “défoule” is a verb - they look or sound alike but fill different roles in a sentence.

#13,773
“défoncé” frequency rank
#42,842
“défoule” frequency rank
56615
confusion score

Side-by-Side Comparison

Feature défoncé défoule
Definition Percé, troué, perforé. Première personne du singulier de l’indicatif présent de défouler.

Where the eye mixes défoncé and défoule

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. défoncé (CVCVCCV) and défoule (CVCVVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

7 ch
défoncé
7 ch
défoule

Look-alike desk: défoncé vs défoule

These two trip readers on the page rather than in the ear: défoncé is \de.fɔ̃.se\ while défoule is \de.ful\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 56615, derived from the frequency rank of both members and their visual similarity.

défoncé is recorded at frequency rank #13,773, classified as anadj, pronounced \de.fɔ̃.se\. défoule is at rank #42,842, tagged as averb, pronounced \de.ful\.

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 56615, this pair ranks #119,979 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of défoncé vs défoule

Shared letters: dfoé. Private to "défoncé": cn. Private to "défoule": elu.

"défoncé" · 7 letters · shape CVCVCCV  ·  "défoule" · 7 letters · shape CVCVVCV

Frequently Asked Questions

Do "défoncé" and "défoule" mean the same thing in a sentence?
No - they are not even the same part of speech. "défoncé" is an adjective and "défoule" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "défoncé" or "défoule"?
"défoncé" is the more common of the two: it sits at frequency rank #13,773 in our French list, against #42,842 for "défoule". 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 "défoncé" and "défoule" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "défoncé" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "défoule" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #119,979 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "défoncé" and "défoule" also get mixed up with nearby pairs, the highest-scored neighbour is "défoule vs déroula". Nearby pair

Confusion rank #119,979 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