demi-
"demi" is a 4-letter English headword indexed on PlainSpell.
The verdict
“demi-” is outside the top-ranked English vocabulary, used as a prefix - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 5
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - partial
| Property | Value |
|---|---|
| Headword | demi- |
| Language | English |
| Part of speech | Prefix |
| Letters | 5 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “demi-” sits in English frequency
Spelling & Dictionary Insight
The English entry for demi- is 5 letters long, classified as a prefix. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
No misspelling variants are generated for demi- in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From Middle English demi (“half, half-sized, partial”), from Anglo-Norman demi (“half”), from Vulgar Latin *dimedius, from Latin dīmidius, from dis- (“apart; in two”) + medius (“middle”). The correct English form is demi-, spelled D-E-M-I--.
Definition
- 1partial
- 2half
- 3Only the upper or front half of
Etymology
From Middle English demi (“half, half-sized, partial”), from Anglo-Norman demi (“half”), from Vulgar Latin *dimedius, from Latin dīmidius, from dis- (“apart; in two”) + medius (“middle”).
This word in other languages
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
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Using “demi-”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is D-E-M-I-- - 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.