décalagevsdécodageTell them apart

Which to use

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

#7,427
“décalage” frequency rank
#44,430
“décodage” frequency rank
51857
confusion score

Side-by-Side Comparison

Feature décalage décodage
Definition Action de décaler ou résultat de cette action. Action de décoder ou son résultat.

Where the eye mixes décalage and décodage

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. décalage and décodage follow the identical consonant-vowel pattern (CVCVCVCV). Same shape at a glance is often the real trap, independent of shared letters.

8 ch
décalage
8 ch
décodage

Why the eye confuses décalage with décodage

A purely visual mix-up. décalage (\de.ka.laʒ\) and décodage (\de.kɔ.daʒ\) 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 51857, derived from the frequency rank of both members and their visual similarity.

décalage is recorded at frequency rank #7,427, classified as anoun, pronounced \de.ka.laʒ\. décodage is at rank #44,430, tagged as anoun, pronounced \de.kɔ.daʒ\.

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 51857, this pair ranks #151,918 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of décalage vs décodage

Shared letters: acdegé. Private to "décalage": l. Private to "décodage": o.

"décalage" · 8 letters · shape CVCVCVCV  ·  "décodage" · 8 letters · shape CVCVCVCV

Frequently Asked Questions

Can "décalage" and "décodage" be used interchangeably?
No. They are said differently (\de.ka.laʒ\ versus \de.kɔ.daʒ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "décalage" or "décodage"?
"décalage" is the more common of the two: it sits at frequency rank #7,427 in our French list, against #44,430 for "décodage". 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 "décalage" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "décodage" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #151,918 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "décalage" and "décodage" also get mixed up with nearby pairs, the highest-scored neighbour is "décodage vs découragé". Nearby pair

Confusion rank #151,918 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