radioaktive

[ˌʁadi̯oʔakˈtiːvə]

/[ˌʁadi̯oʔakˈtiːvə]/ adj

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“radioaktive” has 15 generated spelling variants in the German index at frequency #28,341. The variants make it a useful spelling check.

#28,341
frequency rank, German
2,984
“R” headwords
15
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Nominativ Singular Femininum der starken Deklination des Positivs des Adjektivs radioaktiv

Corpus desk

Index DE-radioaktive · radioaktive · German

radioaktive · rank #28,341 · 15 variants · 3 confusables

  • FREQ-MID #28,341
  • LEN-MEGA 11 letters
  • VOW-6 6 vowels
  • CONFUS-LOW 3 pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 2,984
  • PHOTO-FINISH quält

Nearest frequency peer: quält (-1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rang-Peers am Tippfehler-Magneten „radioaktive“

Gleiche Seltenheitsbandbreite: nützlich, wenn ein Tippfehler auf ein Peer-Lemma trifft

corpus weight

What this shows „radioaktive“ sitzt unter diesen FrequencyWords-Peers; die Tippfehlertiefe steht separat im Edit-Distance-Chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

radioaktive vs radioaktiven
92% similar
radioaktive vs radioaktiver
92% similar
radioaktive vs radioaktiv
91% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for radioaktive
PropertyValue
Headwordradioaktive
LanguageGerman
Part of speechAdjective
IPA[ˌʁadi̯oʔakˈtiːvə]
Letters11
Frequency rank#28,341
Misspellings tracked15
Confusable pairs3
SourceWiktionary (kaikki.org)

Häufigkeitslage von Tippfehler-Magnet „radioaktive“

Von links nach rechts: die wenigen Träger des Alltags, dann der lange Schwanz kaum gebrauchter Formen.radioaktiveliegt hier neben dem Tippfehler-Druck:

#1#100#1K#10K#100K
← used constantlyrarely used →

Die Ticks laufen logarithmisch; jeder ist rund zehnmal seltener. Peers derselben Seltenheitsbandbreite: „quält“ (#28,340), „Radioaktivität“ (#28,342), „päpstliche“ (#28,339). Unter 2,984 „R“-Lemmata liegt „radioaktive“ bei #28,341. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around radioaktive (IPA [ˌʁadi̯oʔakˈtiːvə]), anadjective. Corpus frequency is #28,341 among 2,984 “R” headwords. Wiktionary lists 9 senses, so context still picks the gloss.

Our generated misspelling index lists 15 likely wrong-spelling variants for radioaktive, with forms such as "ardioaktive", "raddioaktive", and "radiaoktive". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 3 confusable-pair relationships, "radioaktiven", "radioaktiver", "radioaktiv", a pairing that trips writers up because the two words share enough sound or shape to blur together.

No borrowing history is documented for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct German form is radioaktive, spelled R-A-D-I-O-A-K-T-I-V-E.

Definition

  1. 1
    Nominativ Singular Femininum der starken Deklination des Positivs des Adjektivs radioaktiv
  2. 2
    Akkusativ Singular Femininum der starken Deklination des Positivs des Adjektivs radioaktiv
  3. 3
    Nominativ Plural alle Genera der starken Deklination des Positivs des Adjektivs radioaktiv
  4. 4
    Akkusativ Plural alle Genera der starken Deklination des Positivs des Adjektivs radioaktiv
  5. 5
    Nominativ Singular alle Genera der schwachen Deklination des Positivs des Adjektivs radioaktiv
  6. 6
    Akkusativ Singular Femininum der schwachen Deklination des Positivs des Adjektivs radioaktiv
  7. 7
    Akkusativ Singular Neutrum der schwachen Deklination des Positivs des Adjektivs radioaktiv
  8. 8
    Nominativ Singular Femininum der gemischten Deklination des Positivs des Adjektivs radioaktiv
  9. 9
    Akkusativ Singular Femininum der gemischten Deklination des Positivs des Adjektivs radioaktiv

Common misspellings

Also misspelled as:

  • ardioaktive
  • raddioaktive
  • radiaoktive
  • radioakitve
  • radioakktive
  • radioaktiev
  • radioaktivve
  • radioakttive
  • radioaktvie
  • radioatkive
  • radiokative
  • radoiaktive
  • raidoaktive
  • rdaioaktive
  • rradioaktive

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of radioaktive - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

ardioaktive2raddioaktive1radiaoktive2radioakitve2radioakktive1radioaktiev2radioaktivve1radioakttive1
Edit distance from "radioaktive"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 German corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "radioaktive"?
"radioaktive" is spelled R-A-D-I-O-A-K-T-I-V-E. The IPA pronunciation is [ˌʁadi̯oʔakˈtiːvə].
What does "radioaktive" mean?
As an adjective, "radioaktive" means: Nominativ Singular Femininum der starken Deklination des Positivs des Adjektivs radioaktiv
What words are commonly confused with "radioaktive"?
"radioaktive" is commonly confused with "radioaktiven", "radioaktiver", "radioaktiv". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "radioaktive"?
The IPA (International Phonetic Alphabet) transcription for "radioaktive" is [ˌʁadi̯oʔakˈtiːvə]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "radioaktive" come from?
"radioaktive" is a German word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar German words by spelling shape

Same letter count and similar misspelling depth for "radioaktive", not the corpus desk frequency band.

Same letter count

Frequency-ranked German headwords with 11 letters (nearest by frequency rank).

Rosengarten#28,368Lieferwagen#28,292Torschützen#28,422Touchscreen#28,423

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

relevanter15 variantsRendsburg15 variantsLohnsteuer15 variantsSpektrums15 variants

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

Source: FrequencyWords open word-frequency list