demo

/ˈdɛm.əʊ/

//ˈdɛm.əʊ// noun

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

"demo" is a 4-letter English headword indexed on PlainSpell.

The verdict

“demo” has 5 generated spelling variants in the English index at frequency #6,457. The variants make it a useful spelling check.

#6,457
frequency rank, English
3,470
“D” headwords
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A demonstration or visual explanation.

Corpus desk

Index EN-demo · demo · English

demo · rank #6,457 · 5 variants · 20 confusables

  • FREQ-COMMON #6,457
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 5 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH deficit

Nearest frequency peer: deficit (-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.

Rank peers near misspelling magnet “demo”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “demo” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

demo vs do
50% similar
demo vs DM
0% similar
demo vs Des
25% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for demo
PropertyValue
Headworddemo
LanguageEnglish
Part of speechNoun
IPA/ˈdɛm.əʊ/
Letters4
Frequency rank#6,457
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “demo”

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).demolands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “deficit” (#6,456), “demon” (#6,458), “could've” (#6,455). Among 3,470 “D” headwords, “demo” is #6,457. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 5 spelling variants around demo (IPA /ˈdɛm.əʊ/), anoun. Corpus frequency is #6,457 among 3,470 “D” headwords. Wiktionary lists 9 senses, so context still picks the gloss.

Our generated misspelling index lists 5 likely wrong-spelling variants for demo, with forms such as "ddemo", "demmo", and "deom". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "do", "DM", "Des", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Clipping of demonstration and various other words beginning with "demo-". The correct English form is demo, spelled D-E-M-O.

Definition

  1. 1
    A demonstration or visual explanation.
  2. 2
    A recording of a song meant to demonstrate its overall sound for the purpose of getting it published or recorded more fully.
  3. 3
    An example of a product used for demonstration and then sold at a discount.
  4. 4
    A march or gathering to make a political protest.
  5. 5
    An edition of limited functionality to give the user an example of how the program works.
  6. 6
    A non-interactive audiovisual computer program developed by enthusiasts to demonstrate the capabilities of the machine. See demoscene.
  7. 7
    A democrat.
  8. 8
    A demographic group.
  9. 9
    Demolition.

Recorded use

Wiktionary examples

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

  1. The professor prepared a demo to help her class understand the topic.
  2. ER received the first of its own HSTs on September 7 1977, with a handover taking place at York. It then worked a demo run to Darlington with power cars 43057 and 43056.

Etymology

Clipping of demonstration and various other words beginning with "demo-".

This word in other languages

mani(Español)démo(Français)Demonstration(Deutsch)demonstração(Português)

Common misspellings

Also misspelled as:

  • ddemo
  • demmo
  • deom
  • dmeo
  • edmo

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of demo - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ddemo1demmo1deom2dmeo2edmo2
Edit distance from "demo"

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 "demo"?
"demo" is spelled D-E-M-O. The IPA pronunciation is /ˈdɛm.əʊ/.
What does "demo" mean?
As a noun, "demo" means: A demonstration or visual explanation.
What words are commonly confused with "demo"?
"demo" is commonly confused with "do", "DM", "Des". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "demo"?
The IPA (International Phonetic Alphabet) transcription for "demo" is /ˈdɛm.əʊ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "demo"?
Clipping of demonstration and various other words beginning with "demo-". 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 "demo", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

doll#6,462hull#6,480tops#6,425span#6,416

Similar misspelling depth

Headwords with a similar count of attested misspellings (5 here; floor ≥5).

sunny5 variantsrope5 variantsnest5 variantsbout5 variants

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

Source: FrequencyWords open word-frequency list