déballervsdéraillerWhat's the difference?

Which to use

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

#35,904
“déballer” frequency rank
#35,913
“dérailler” frequency rank
71817
confusion score

Side-by-Side Comparison

Feature déballer dérailler
Definition Extraire d’une balle, d’un paquet, d’une caisse, etc., ce qu’ils contiennent. Sortir des rails.

Where the eye mixes déballer and dérailler

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. déballer runs 8 letters (CVCVCCVC) against dérailler's 9 (CVCVVCCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
déballer
9 ch
dérailler

Why the eye confuses déballer with dérailler

A purely visual mix-up. déballer (\de.ba.le\) and dérailler (\de.ʁɑ.je\) 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 1 letter(s) in length. Our composite confusion score for this pair is 71817, derived from the frequency rank of both members and their visual similarity.

déballer is recorded at frequency rank #35,904, classified as averb, pronounced \de.ba.le\. dérailler is at rank #35,913, tagged as averb, pronounced \de.ʁɑ.je\.

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 71817, this pair ranks #46,181 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of déballer vs dérailler

Shared letters: adelré. Private to "déballer": b. Private to "dérailler": i.

"déballer" · 8 letters · shape CVCVCCVC  ·  "dérailler" · 9 letters · shape CVCVVCCVC

Frequently Asked Questions

Can "déballer" and "dérailler" be used interchangeably?
No. They are said differently (\de.ba.le\ versus \de.ʁɑ.je\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "déballer" vs "dérailler" - which ranks higher?
"déballer" is the more common of the two: it sits at frequency rank #35,904 in our French list, against #35,913 for "dérailler". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "déballer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dérailler" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #46,181 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "déballer" and "dérailler" also get mixed up with nearby pairs, the highest-scored neighbour is "déraille vs dérailler". Nearby pair

Confusion rank #46,181 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