Which to use
“radioaktiv” and “radioaktive” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #44,158
- “radioaktiv” frequency rank
- #28,341
- “radioaktive” frequency rank
- 72499
- confusion score
Side-by-Side Comparison
| Feature | radioaktiv | radioaktive |
|---|---|---|
| Definition | Radioaktivität aufweisend | Nominativ Singular Femininum der starken Deklination des Positivs des Adjektivs radioaktiv |
Where the spellings diverge
Shared letters are muted; the letters that actually set radioaktiv and radioaktive apart are highlighted. They share 10 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. radioaktiv ([ˌʁadi̯oʔakˈtiːf]) and radioaktive ([ˌʁadi̯oʔakˈtiːvə]) 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) - “radioaktiv” sits inside “radioaktive”. Our composite confusion score for this pair is 72499, derived from the frequency rank of both members and their visual similarity.
radioaktiv is recorded at frequency rank #44,158, classified as anadj, pronounced [ˌʁadi̯oʔakˈtiːf]. radioaktive is at rank #28,341, tagged as anadj, pronounced [ˌʁadi̯oʔakˈtiːvə].
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 72499, this pair ranks #386,705 of 2,006,359 scored German confusable pairs - among the most confusable pairs.
Orthographic DNA of radioaktiv vs radioaktive
Shared letters: adikortv. Private to "radioaktiv": -. Private to "radioaktive": e.
"radioaktiv" · 10 letters · shape CVCVVVCCVC · "radioaktive" · 11 letters · shape CVCVVVCCVCV
Known mistypes of this pair
- radioaktiv ← ardioaktiv · raddioaktiv · radiaoktiv · radioakitv · radioakktiv · radioaktivv · radioakttiv · radioaktvi
- radioaktive ← ardioaktive · raddioaktive · radiaoktive · radioakitve · radioakktive · radioaktiev · radioaktivve · radioakttive
Frequency comparison
Frequently Asked Questions
Can "radioaktiv" and "radioaktive" be used interchangeably?
Which is more common, "radioaktiv" or "radioaktive"?
Remembering radioaktiv vs radioaktive
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “radioaktiv” entry
- Browse more pairs most likely to be confused. Most confusable