declarationvsdéflagrationWhat's the difference?

Which to use

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

#38,742
“declaration” frequency rank
#46,721
“déflagration” frequency rank
85463
confusion score

Side-by-Side Comparison

Feature declaration déflagration
Definition Déclaration. Combustion, accompagnée d’explosion, d’un corps qui se décompose.

Where the eye mixes declaration and déflagration

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.

11 ch
declaration
12 ch
déflagration

Why the eye confuses declaration with déflagration

A purely visual mix-up. declaration (\ˌdekləˈreɪʃn\) and déflagration (\de.fla.ɡʁa.sjɔ̃\) 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 85463, derived from the frequency rank of both members and their visual similarity.

declaration is recorded at frequency rank #38,742, classified as anoun, pronounced \ˌdekləˈreɪʃn\. déflagration is at rank #46,721, tagged as anoun, pronounced \de.fla.ɡʁa.sjɔ̃\.

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 85463, this pair ranks #11,335 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of declaration vs déflagration

Shared letters: adilnort. Private to "declaration": ce. Private to "déflagration": fgé.

"declaration" · 11 letters · shape CVCCVCVCVVC  ·  "déflagration" · 12 letters · shape CVCCVCCVCVVC

Known mistypes of this pair

  • declarationdcelaration · ddeclaration · decalration · decclaration · declaartion · declaraiton · declaratino · declarationn

Frequently Asked Questions

Can "declaration" and "déflagration" be used interchangeably?
No. They are said differently (\ˌdekləˈreɪʃn\ versus \de.fla.ɡʁa.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "declaration" vs "déflagration" - which ranks higher?
"declaration" is the more common of the two: it sits at frequency rank #38,742 in our French list, against #46,721 for "déflagration". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "declaration" and "déflagration" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "declaration" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "déflagration" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #11,335 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "declaration" and "déflagration" also get mixed up with nearby pairs, the highest-scored neighbour is "décélération vs declaration". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #11,335 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