Which to use
“radioaktive” and “radioaktiven” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,341
- “radioaktive” frequency rank
- #26,579
- “radioaktiven” frequency rank
- 54920
- confusion score
Side-by-Side Comparison
| Feature | radioaktive | radioaktiven |
|---|---|---|
| Definition | Nominativ Singular Femininum der starken Deklination des Positivs des Adjektivs radioaktiv | Genitiv Singular Maskulinum der starken Deklination des Positivs des Adjektivs radioaktiv |
Where the eye mixes radioaktive and radioaktiven
Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. radioaktive runs 11 letters (CVCVVVCCVCV) against radioaktiven's 12 (CVCVVVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between radioaktive and radioaktiven
A purely visual mix-up. radioaktive ([ˌʁadi̯oʔakˈtiːvə]) and radioaktiven ([ˌʁadi̯oʔakˈtiːvn̩]) 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 extra letter(s) - “radioaktive” sits inside “radioaktiven”. Our composite confusion score for this pair is 54920, derived from the frequency rank of both members and their visual similarity.
radioaktive is recorded at frequency rank #28,341, classified as anadj, pronounced [ˌʁadi̯oʔakˈtiːvə]. radioaktiven is at rank #26,579, tagged as anadj, pronounced [ˌʁadi̯oʔakˈtiːvn̩].
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 54920, this pair ranks #999,806 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of radioaktive vs radioaktiven
Shared letters: adeikortv. Private to "radioaktive": -. Private to "radioaktiven": n.
"radioaktive" · 11 letters · shape CVCVVVCCVCV · "radioaktiven" · 12 letters · shape CVCVVVCCVCVC
Known mistypes of this pair
- radioaktive ← ardioaktive · raddioaktive · radiaoktive · radioakitve · radioakktive · radioaktiev · radioaktivve · radioakttive
- radioaktiven ← ardioaktiven · raddioaktiven · radiaoktiven · radioakitven · radioakktiven · radioaktievn · radioaktivenn · radioaktivne
Frequently Asked Questions
Do "radioaktive" and "radioaktiven" mean the same thing in a sentence?
Frequency check: "radioaktive" vs "radioaktiven" - which ranks higher?
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 "radioaktive" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "radioaktiven" - compare definitions side by side with the headword page. Word entry
- This pair ranks #999,806 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "radioaktive" and "radioaktiven" also get mixed up with nearby pairs, the highest-scored neighbour is "radioaktiv vs radioaktive". 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 #999,806 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.