radioaktiv

[ˌʁadi̯oʔakˈtiːf]

/[ˌʁadi̯oʔakˈtiːf]/ adj

The verdict

“radioaktiv” has 14 generated spelling variants in the German index at frequency #44,158. The variants make it a useful spelling check.

#44,158
frequency rank, German
2,984
“R” headwords
14
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Radioaktivität aufweisend

Corpus desk

Index DE-radioaktiv · radioaktiv · German

radioaktiv · rank #44,158 · 14 variants · 3 confusables

  • FREQ-MID #44,158
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 3 pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 2,984
  • PHOTO-FINISH Radfahrerin

Nearest frequency peer: Radfahrerin (-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 „radioaktiv“

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

corpus weight

What this shows „radioaktiv“ 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).

radioaktiv vs radioaktive
91% similar
radioaktiv vs radioaktiven
83% similar
radioaktiv vs radioaktiver
83% similar

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

Key facts for radioaktiv
PropertyValue
Headwordradioaktiv
LanguageGerman
Part of speechAdjective
IPA[ˌʁadi̯oʔakˈtiːf]
Letters10
Frequency rank#44,158
Misspellings tracked14
Confusable pairs3
SourceWiktionary (kaikki.org)

Häufigkeitslage von Tippfehler-Magnet „radioaktiv“

Von links nach rechts: die wenigen Träger des Alltags, dann der lange Schwanz kaum gebrauchter Formen.radioaktivliegt 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: „Radfahrerin“ (#44,157), „Radolfzell“ (#44,159), „Quests“ (#44,156). Unter 2,984 „R“-Lemmata liegt „radioaktiv“ bei #44,158. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around radioaktiv (IPA [ˌʁadi̯oʔakˈtiːf]), anadjective. Corpus frequency is #44,158 among 2,984 “R” headwords. Dominant gloss: "Radioaktivität aufweisend".

Our generated misspelling index lists 14 likely wrong-spelling variants for radioaktiv, with forms such as "ardioaktiv", "raddioaktiv", and "radiaoktiv". 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, "radioaktive", "radioaktiven", "radioaktiver", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Our source data has no etymology on file for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct German form is radioaktiv, spelled R-A-D-I-O-A-K-T-I-V.

Definition

  1. 1
    Radioaktivität aufweisend

Recorded use

Wiktionary examples

These source excerpts show how radioaktiv appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Radium ist stark radioaktiv.
  2. „Die sichtbare Verwüstung schließe die Opfer der radioaktiven Verstrahlung nicht ein.“

This word in other languages

Common misspellings

Also misspelled as:

  • ardioaktiv
  • raddioaktiv
  • radiaoktiv
  • radioakitv
  • radioakktiv
  • radioaktivv
  • radioakttiv
  • radioaktvi
  • radioatkiv
  • radiokativ
  • radoiaktiv
  • raidoaktiv
  • rdaioaktiv
  • rradioaktiv

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of radioaktiv - 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.

ardioaktiv2raddioaktiv1radiaoktiv2radioakitv2radioakktiv1radioaktivv1radioakttiv1radioaktvi2
Edit distance from "radioaktiv"

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 "radioaktiv"?
"radioaktiv" is spelled R-A-D-I-O-A-K-T-I-V. The IPA pronunciation is [ˌʁadi̯oʔakˈtiːf].
What does "radioaktiv" mean?
As an adjective, "radioaktiv" means: Radioaktivität aufweisend
What words are commonly confused with "radioaktiv"?
"radioaktiv" is commonly confused with "radioaktive", "radioaktiven", "radioaktiver". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "radioaktiv"?
The IPA (International Phonetic Alphabet) transcription for "radioaktiv" is [ˌʁadi̯oʔakˈtiːf]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "radioaktiv" come from?
"radioaktiv" is a German word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 "radioaktiv", not the corpus desk frequency band.

Same letter count

Frequency-ranked German headwords with 10 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list