categorisation

noun

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

The verdict

“categorisation” is uncommon English (frequency #69,720 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#69,720
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Alternative form of categorization.

Corpus desk

Index EN-categorisation · categorisation · English

categorisation · rank #69,720 · 0 variants · 0 confusables

  • FREQ-RARE #69,720
  • LEN-MEGA 14 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH catcalling

Nearest frequency peer: catcalling (-1 rank slots)

Read with this headword: Spelling guide for this pattern

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.

Long-tail ranks near “categorisation”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “categorisation” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for categorisation
PropertyValue
Headwordcategorisation
LanguageEnglish
Part of speechNoun
Letters14
Frequency rank#69,720
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “categorisation” in English

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

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “catcalling” (#69,719), “Ceri” (#69,722), “certificated” (#69,723). Among 5,599 “C” headwords, “categorisation” is #69,720. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

categorisation is uncommon English at frequency #69,720 among 5,599 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Alternative form of categorization.".

Our edit-distance generator produced no likely misspellings for categorisation, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From category + -isation. The correct English form is categorisation, spelled C-A-T-E-G-O-R-I-S-A-T-I-O-N.

Definition

  1. 1
    Alternative form of categorization.

Etymology

From category + -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 "categorisation"?
"categorisation" is spelled C-A-T-E-G-O-R-I-S-A-T-I-O-N.
What does "categorisation" mean?
As a noun, "categorisation" means: Alternative form of categorization.
What is the origin of the word "categorisation"?
From category + -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.

Similar English words by spelling shape

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

Same letter count

Frequency-ranked English headwords with 14 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list