ExpansionvsExplosionConfusable pair

Which to use

“Expansion” and “Explosion” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#12,279
“Expansion” frequency rank
#6,422
“Explosion” frequency rank
18701
confusion score

Side-by-Side Comparison

Feature Expansion Explosion
Definition die Zunahme der räumlichen Ausdehnung plötzliche, mit lautem Knall verbundene Volumenausdehnung auf Grund von chemischen oder kernphysikalischen Reaktionen bei gleichzeitigem Temperatur- und Druckanstieg, die zur Beschädigung oder Zerstörung der Umgebung führt

Where the eye mixes Expansion and Explosion

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

9 ch
Expansion
9 ch
Explosion

Visual trap between Expansion and Explosion

A purely visual mix-up. Expansion ([ɛkspanˈzi̯oːn]) and Explosion ([ɛksploˈzi̯oːn]) 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 18701, derived from the frequency rank of both members and their visual similarity.

Expansion is recorded at frequency rank #12,279, classified as anoun, pronounced [ɛkspanˈzi̯oːn]. Explosion is at rank #6,422, tagged as anoun, pronounced [ɛksploˈzi̯oːn].

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 18701, this pair ranks #1,915,725 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Expansion vs Explosion

Shared letters: einopsx. Private to "Expansion": a. Private to "Explosion": l.

"Expansion" · 9 letters · shape VCCVCCVVC  ·  "Explosion" · 9 letters · shape VCCCVCVVC

Known mistypes of this pair

  • Expansionepxansion · exapnsion · expanison · expannsion · expansino · expansionn · expansoin · expanssion
  • Explosionepxlosion · exlposion · expllosion · exploison · explosino · explosionn · explosoin · explossion

Frequently Asked Questions

Is swapping "Expansion" for "Explosion" ever safe?
No. They are said differently ([ɛkspanˈzi̯oːn] versus [ɛksploˈzi̯oːn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Expansion" or "Explosion"?
"Explosion" is the more common of the two: it sits at frequency rank #6,422 in our German list, against #12,279 for "Expansion". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Expansion" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Explosion" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,915,725 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Expansion" and "Explosion" also get mixed up with nearby pairs, the highest-scored neighbour is "Explosion vs Explosiv". 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 #1,915,725 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list