radikal

[ʁadiˈkaːl]

/[ʁadiˈkaːl]/ adj

The verdict

“radikal” is a regularly-used German word, ranked #9,074 in German word frequency and used as an adjective.

#9,074
frequency rank, German
7
letters
10
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - im Denken und oder Handeln in besonderem Maße von der Norm abweichend

Visual similarity to commonly confused words

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

radikal vs Radikale
75% similar
radikal vs Radikalen
67% similar
radikal vs radikaler
78% similar

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

Key facts for radikal
PropertyValue
Headwordradikal
LanguageGerman
Part of speechAdjective
IPA[ʁadiˈkaːl]
Letters7
Frequency rank#9,074
Misspellings tracked10
Confusable pairs4
SourceWiktionary (kaikki.org)

Where “radikal” sits in German frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). radikal lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The German entry for radikal is 7 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as [ʁadiˈkaːl]. Corpus data places it at rank #9,074 in overall German word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 10 likely wrong-spelling variants for radikal, with forms such as "ardikal", "raddikal", and "radiakl". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 4 confusable-pair relationships, "Radikale", "Radikalen", "radikaler", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct German form is radikal, spelled R-A-D-I-K-A-L.

Definition

  1. 1
    im Denken und oder Handeln in besonderem Maße von der Norm abweichend
  2. 2
    in besonders hervorstechendem Maße
  3. 3
    eine Bestrebung bezeichnend, die Gesellschaft umfassend (an der Wurzel) zu verändern

Synonyms

Antonyms

This word in other languages

Common misspellings

Also misspelled as: ardikal,raddikal,radiakl,radikall,radikkal,radikla,radkial,raidkal,rdaikal,rradikal

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of radikal - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ardikal2raddikal1radiakl2radikall1radikkal1radikla2radkial2raidkal2
Edit distance from "radikal"

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 "radikal"?
"radikal" is spelled R-A-D-I-K-A-L. The IPA pronunciation is [ʁadiˈkaːl].
What does "radikal" mean?
As an adjective, "radikal" means: im Denken und oder Handeln in besonderem Maße von der Norm abweichend
What words are commonly confused with "radikal"?
"radikal" is commonly confused with "Radikale", "Radikalen", "radikaler". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "radikal"?
The IPA (International Phonetic Alphabet) transcription for "radikal" is [ʁadiˈkaːl]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "radikal" come from?
"radikal" 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.

Using “radikal”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct German spelling is R-A-D-I-K-A-L - every other letter order is a misspelling in standard orthography.
  • Say it as [ʁadiˈkaːl] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “Radikale” - see the side-by-side comparison. radikal vs Radikale
  • Browse more German words and confusable pairs in the same reference. German words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list