implosionvsimpulsionTell them apart

Which to use

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

#35,090
“implosion” frequency rank
#7,334
“impulsion” frequency rank
42424
confusion score

Side-by-Side Comparison

Feature implosion impulsion
Definition Écrasement d'un corps creux dont les parois s'écrasent par l'effet d'une pression extérieure plus forte que la pression intérieure. Mouvement ou tendance à se mouvoir qu’un corps donne à un autre par le choc.

Where the eye mixes implosion and impulsion

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

9 ch
implosion
9 ch
impulsion

Visual trap between implosion and impulsion

A purely visual mix-up. implosion (\ɛ̃.plo.zjɔ̃\) and impulsion (\ɛ̃.pyl.sjɔ̃\) 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 42424, derived from the frequency rank of both members and their visual similarity.

implosion is recorded at frequency rank #35,090, classified as anoun, pronounced \ɛ̃.plo.zjɔ̃\. impulsion is at rank #7,334, tagged as anoun, pronounced \ɛ̃.pyl.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 42424, this pair ranks #225,706 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of implosion vs impulsion

Shared letters: ilmnops. Private to "implosion": -. Private to "impulsion": u.

"implosion" · 9 letters · shape VCCCVCVVC  ·  "impulsion" · 9 letters · shape VCCVCCVVC

Known mistypes of this pair

  • implosionimlposion · immplosion · impllosion · imploison · implosino · implosionn · implosoin · implossion
  • impulsionimmpulsion · implusion · imppulsion · impulison · impullsion · impulsino · impulsionn · impulsoin

Frequently Asked Questions

Is swapping "implosion" for "impulsion" ever safe?
No. They are said differently (\ɛ̃.plo.zjɔ̃\ versus \ɛ̃.pyl.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "implosion" or "impulsion"?
"impulsion" is the more common of the two: it sits at frequency rank #7,334 in our French list, against #35,090 for "implosion". 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 "implosion" and "impulsion" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "implosion" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "impulsion" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #225,706 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "implosion" and "impulsion" also get mixed up with nearby pairs, the highest-scored neighbour is "impulsion vs impulsive". 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 #225,706 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