discolouration

noun

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

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

The verdict

“discolouration” is uncommon English (frequency #88,280 among 3,470 “D” headwords), classed as a noun. The kind of spelling people second-guess.

#88,280
frequency rank, English
3,470
“D” headwords

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

Corpus desk

Index EN-discolouration · discolouration · English

discolouration · rank #88,280 · 0 variants · 0 confusables

  • FREQ-RARE #88,280
  • LEN-MEGA 14 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH diphenhydrami…

Nearest frequency peer: diphenhydramine (-4 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 “discolouration”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for discolouration
PropertyValue
Headworddiscolouration
LanguageEnglish
Part of speechNoun
Letters14
Frequency rank#88,280
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “discolouration” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).discolourationfalls 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: “diphenhydramine” (#88,276), “Donnan” (#88,285), “Dilworth” (#88,274). Among 3,470 “D” headwords, “discolouration” is #88,280. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

discolouration is uncommon English at frequency #88,280 among 3,470 “D” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Alternative spelling of discoloration.".

No generated misspelling entries exist for discolouration in our index, a sign its spelling follows regular English conventions. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From discolour + -ation. The correct English form is discolouration, spelled D-I-S-C-O-L-O-U-R-A-T-I-O-N.

Definition

  1. 1
    Alternative spelling of discoloration.

Recorded use

Wiktionary examples

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

  1. […] one tablet completely sterilises a quart of water, tastelessly, without discolouration or odour.
  2. We detect wrinkles, discolourations and pores, and subtract them from a woman’s beauty in ways we don’t if that same face is presented to us as masculine.

Etymology

From discolour + -ation.

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 "discolouration"?
"discolouration" is spelled D-I-S-C-O-L-O-U-R-A-T-I-O-N.
What does "discolouration" mean?
As a noun, "discolouration" means: Alternative spelling of discoloration.
What is the origin of the word "discolouration"?
From discolour + -ation. 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 "discolouration", not the corpus desk frequency band.

Same letter count

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

erythropoietin#88,313conditionality#88,226concessionaire#88,225histologically#88,423

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

Source: FrequencyWords open word-frequency list