radioaktivevsradioaktiverWhat's the difference?

Which to use

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

#28,341
“radioaktive” frequency rank
#42,748
“radioaktiver” frequency rank
71089
confusion score

Side-by-Side Comparison

Feature radioaktive radioaktiver
Definition Nominativ Singular Femininum der starken Deklination des Positivs des Adjektivs radioaktiv Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs radioaktiv

Where the spellings diverge

Shared letters are muted; the letters that actually set radioaktive and radioaktiver apart are highlighted. They share 11 letters in sequence, which is exactly why the eye skips the difference.

11 ch
radioaktive
12 ch
radioaktiver

Spelling & Dictionary Insight

A purely visual mix-up. radioaktive ([ˌʁadi̯oʔakˈtiːvə]) and radioaktiver ([ˌʁadi̯oʔakˈtiːvɐ]) 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 “radioaktiver”. Our composite confusion score for this pair is 71089, 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]. radioaktiver is at rank #42,748, tagged as anadj, pronounced [ˌʁadi̯oʔakˈtiːvɐ].

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 71089, this pair ranks #427,100 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of radioaktive vs radioaktiver

Shared letters: adeikortv. Private to "radioaktive": -. Private to "radioaktiver": -.

"radioaktive" · 11 letters · shape CVCVVVCCVCV  ·  "radioaktiver" · 12 letters · shape CVCVVVCCVCVC

Known mistypes of this pair

  • radioaktiveardioaktive · raddioaktive · radiaoktive · radioakitve · radioakktive · radioaktiev · radioaktivve · radioakttive
  • radioaktiverardioaktiver · raddioaktiver · radiaoktiver · radioakitver · radioakktiver · radioaktievr · radioaktiverr · radioaktivre

Frequency comparison

radioaktive#28,341
radioaktiver#42,748

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "radioaktive" and "radioaktiver" be used interchangeably?
No. They are said differently ([ˌʁadi̯oʔakˈtiːvə] versus [ˌʁadi̯oʔakˈtiːvɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "radioaktive" or "radioaktiver"?
"radioaktive" is the more common of the two: it sits at frequency rank #28,341 in our German list, against #42,748 for "radioaktiver". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering radioaktive vs radioaktiver

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 “radioaktive” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list