demonstrator

/ˈdɛmənstɹeɪtə(ɹ)/

//ˈdɛmənstɹeɪtə(ɹ)// noun

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

"demonstrator" is a 12-letter English headword indexed on PlainSpell.

The verdict

“demonstrator” is a moderately-common English word, ranked #32,765 in English word frequency and used as a noun.

#32,765
frequency rank, English
12
letters
19
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - One who demonstrates anything, or proves beyond doubt.

Visual similarity to commonly confused words

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

demonstrator vs demonstrate
83% similar
demonstrator vs demonstrated
83% similar
demonstrator vs demonstration
85% similar

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

Key facts for demonstrator
PropertyValue
Headworddemonstrator
LanguageEnglish
Part of speechNoun
IPA/ˈdɛmənstɹeɪtə(ɹ)/
Letters12
Frequency rank#32,765
Misspellings tracked19
Confusable pairs3
SourceWiktionary (kaikki.org)

Where “demonstrator” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for demonstrator is 12 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈdɛmənstɹeɪtə(ɹ)/. Corpus data places it at rank #32,765 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 7 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 19 likely wrong-spelling variants for demonstrator, with forms such as "ddemonstrator", "demmonstrator", and "demnostrator". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 3 confusable-pair relationships, "demonstrate", "demonstrated", "demonstration", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From demonstrate + -or. The correct English form is demonstrator, spelled D-E-M-O-N-S-T-R-A-T-O-R.

Definition

  1. 1
    One who demonstrates anything, or proves beyond doubt.
  2. 2
    The forefinger.
  3. 3
    One who takes part in a demonstration; a protester.
  4. 4
    One who demonstrates products in a retail environment; a merchandiser.
  5. 5
    An item, particularly a vehicle, used in demonstrations to a customer or user.
  6. 6
    An assistant to a lecturer.
  7. 7
    One who teaches anatomy from the dissected parts.

Etymology

From demonstrate + -or.

Synonyms

index finger

This word in other languages

demostrador(Español)manifestant(Français)Demonstrant(Deutsch)

Common misspellings

Also misspelled as: ddemonstrator,demmonstrator,demnostrator,demonnstrator,demonsrtator,demonsstrator,demonstartor,demonstraotr,demonstratorr,demonstratro,demonstrattor,demonstrrator,demonstrtaor,demonsttrator,demontsrator,demosntrator,deomnstrator,dmeonstrator,edmonstrator

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of demonstrator - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ddemonstrator1demmonstrator1demnostrator2demonnstrator1demonsrtator2demonsstrator1demonstartor2demonstraotr2
Edit distance from "demonstrator"

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 "demonstrator"?
"demonstrator" is spelled D-E-M-O-N-S-T-R-A-T-O-R. The IPA pronunciation is /ˈdɛmənstɹeɪtə(ɹ)/.
What does "demonstrator" mean?
As a noun, "demonstrator" means: One who demonstrates anything, or proves beyond doubt.
What words are commonly confused with "demonstrator"?
"demonstrator" is commonly confused with "demonstrate", "demonstrated", "demonstration". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "demonstrator"?
The IPA (International Phonetic Alphabet) transcription for "demonstrator" is /ˈdɛmənstɹeɪtə(ɹ)/. 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 "demonstrator"?
From demonstrate + -or. 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 “demonstrator”

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

  • The one correct English spelling is D-E-M-O-N-S-T-R-A-T-O-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈdɛmənstɹeɪtə(ɹ)/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “demonstrate” - see the side-by-side comparison. demonstrator vs demonstrate
  • 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