moderator

/ˈmɒdəˌɹeɪtə(ɹ)/

//ˈmɒdəˌɹeɪtə(ɹ)// noun

"moderator" is a 9-letter English headword indexed on PlainSpell.

The verdict

“moderator” is a moderately-common English word, ranked #16,973 in English word frequency and used as a noun.

#16,973
frequency rank, English
9
letters
13
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Someone who moderates.

Visual similarity to commonly confused words

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

moderator vs modulator
78% similar
moderator vs moderate
78% similar
moderator vs moderation
80% similar

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

Key facts for moderator
PropertyValue
Headwordmoderator
LanguageEnglish
Part of speechNoun
IPA/ˈmɒdəˌɹeɪtə(ɹ)/
Letters9
Frequency rank#16,973
Misspellings tracked13
Confusable pairs3
SourceWiktionary (kaikki.org)

Where “moderator” 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). moderator 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 moderator is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈmɒdəˌɹeɪtə(ɹ)/. Corpus data places it at rank #16,973 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 12 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 13 likely wrong-spelling variants for moderator, with forms such as "mdoerator", "mmoderator", and "modderator". 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, "modulator", "moderate", "moderation", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Learned borrowing from Latin moderātor. First attested as Middle English moderatour. By surface analysis, moderate + -or. The correct English form is moderator, spelled M-O-D-E-R-A-T-O-R.

Definition

  1. 1
    Someone who moderates.
  2. 2
    Someone who moderates.
  3. 3
    Someone who moderates.
  4. 4
    Someone who moderates.
  5. 5
    The person who presides over a synod of a Presbyterian church.
  6. 6
    A substance (often water or graphite) used to decrease the speed of fast neutrons in a nuclear reactor and hence increase likelihood of fission.
  7. 7
    A device used to deaden some of the noise from a firearm, although not to the same extent as a suppressor or silencer.
  8. 8
    An examiner at Oxford and Cambridge universities.
  9. 9
    At the University of Dublin, either the first (senior) or second (junior) in rank in an examination for the degree of Bachelor of Arts.
  10. 10
    Someone who supervises and monitors the setting and marking of examinations by different people to ensure consistency of standards.
  11. 11
    A mechanical arrangement for regulating motion in a machine, or producing equality of effect.
  12. 12
    A kind of lamp in which the flow of the oil to the wick is regulated.

Etymology

Learned borrowing from Latin moderātor. First attested as Middle English moderatour. By surface analysis, moderate + -or.

This word in other languages

Common misspellings

Also misspelled as: mdoerator,mmoderator,modderator,modeartor,moderaotr,moderatorr,moderatro,moderattor,moderrator,modertaor,modreator,moedrator,omderator

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of moderator - 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.

mdoerator2mmoderator1modderator1modeartor2moderaotr2moderatorr1moderatro2moderattor1
Edit distance from "moderator"

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 "moderator"?
"moderator" is spelled M-O-D-E-R-A-T-O-R. The IPA pronunciation is /ˈmɒdəˌɹeɪtə(ɹ)/.
What does "moderator" mean?
As a noun, "moderator" means: Someone who moderates.
What words are commonly confused with "moderator"?
"moderator" is commonly confused with "modulator", "moderate", "moderation". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "moderator"?
The IPA (International Phonetic Alphabet) transcription for "moderator" is /ˈmɒdəˌɹeɪtə(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 "moderator"?
Learned borrowing from Latin moderātor. First attested as Middle English moderatour. By surface analysis, moderate + -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 “moderator”

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

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