radicalisation

noun

"radicalisation" is a 14-letter English headword indexed on PlainSpell.

The verdict

“radicalisation” is uncommon English (frequency #63,919 among 21,470 “R” headwords), classed as a noun. The kind of spelling people second-guess.

#63,919
frequency rank, English
21,470
“R” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Non-Oxford British English standard spelling of radicalization.

Key facts for radicalisation
PropertyValue
Headwordradicalisation
LanguageEnglish
Part of speechNoun
Letters14
Frequency rank#63,919
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “radicalisation” sits in English 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). radicalisation lands here:

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

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

Rare enough to double-check

radicalisation is uncommon English at frequency #63,919 among 21,470 “R” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Non-Oxford British English standard spelling of radicalization.".

No misspelling variants are generated for radicalisation in our index, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From radical + -isation. The correct English form is radicalisation, spelled R-A-D-I-C-A-L-I-S-A-T-I-O-N.

Definition

  1. 1
    Non-Oxford British English standard spelling of radicalization.

Etymology

From radical + -isation.

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "radicalisation"?
"radicalisation" is spelled R-A-D-I-C-A-L-I-S-A-T-I-O-N.
What does "radicalisation" mean?
As a noun, "radicalisation" means: Non-Oxford British English standard spelling of radicalization.
What is the origin of the word "radicalisation"?
From radical + -isation. See the full etymology section above for more details.
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 “radicalisation”

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

  • The one correct English spelling is R-A-D-I-C-A-L-I-S-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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