disunion

noun

"disunion" is a 8-letter English headword indexed on PlainSpell.

The verdict

“disunion” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Separation (disintegration) of a union; lack of union where union would be desirable.

Key facts for disunion
PropertyValue
Headworddisunion
LanguageEnglish
Part of speechNoun
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “disunion” sits in English frequency

disunion falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for disunion is 8 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Separation (disintegration) of a union; lack of union where union would be desirable.".

No generated misspelling entries exist for disunion in our index, 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 Middle French désunion. The correct English form is disunion, spelled D-I-S-U-N-I-O-N.

Definition

  1. 1
    Separation (disintegration) of a union; lack of union where union would be desirable.

Etymology

From Middle French désunion.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "disunion"?
"disunion" is spelled D-I-S-U-N-I-O-N.
What does "disunion" mean?
As a noun, "disunion" means: Separation (disintegration) of a union; lack of union where union would be desirable.
What is the origin of the word "disunion"?
From Middle French désunion. 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 “disunion”

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

  • The one correct English spelling is D-I-S-U-N-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
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