Which to use
“Reaktion” and “Reaktor” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,900
- “Reaktion” frequency rank
- #20,709
- “Reaktor” frequency rank
- 22609
- confusion score
Side-by-Side Comparison
| Feature | Reaktion | Reaktor |
|---|---|---|
| Definition | (Gegen-)Handlung beziehungsweise Wirkung, die aus einer vorhergehenden Handlung oder einem Reiz folgt | „abgegrenzter Raum, in dem gezielte kernphysikalische, chemische oder biologische Vorgänge ablaufen“ |
Where the eye mixes Reaktion and Reaktor
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. Reaktion runs 8 letters (CVVCCVVC) against Reaktor's 7 (CVVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between Reaktion and Reaktor
A purely visual mix-up. Reaktion ([ˌʁeakˈt͡si̯oːn]) and Reaktor ([ʁeˈaktoːɐ̯]) 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 22609, derived from the frequency rank of both members and their visual similarity.
Reaktion is recorded at frequency rank #1,900, classified as anoun, pronounced [ˌʁeakˈt͡si̯oːn]. Reaktor is at rank #20,709, tagged as anoun, pronounced [ʁeˈaktoːɐ̯].
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 22609, this pair ranks #1,872,066 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Reaktion vs Reaktor
Shared letters: aekort. Private to "Reaktion": in. Private to "Reaktor": -.
"Reaktion" · 8 letters · shape CVVCCVVC · "Reaktor" · 7 letters · shape CVVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "Reaktion" and "Reaktor" mean the same thing in a sentence?
Which is more common, "Reaktion" or "Reaktor"?
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 "Reaktion" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Reaktor" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,872,066 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Reaktion" and "Reaktor" also get mixed up with nearby pairs, the highest-scored neighbour is "Reaktion vs reaktionär". 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 #1,872,066 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.