instigator

/ˈɪnstɪɡeɪtə/

//ˈɪnstɪɡeɪtə// noun

"instigator" is a 10-letter English headword indexed on PlainSpell.

The verdict

“instigator” has 15 generated spelling variants in the English index at frequency #43,718. The variants make it a useful spelling check.

#43,718
frequency rank, English
2,140
“I” headwords
15
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A person who intentionally instigates, incites, or starts something, especially one that creates trouble.

Corpus desk

Index EN-instigator · instigator · English

instigator · rank #43,718 · 15 variants · 4 confusables

  • FREQ-MID #43,718
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-MID 4 pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH insincere

Nearest frequency peer: insincere (-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 “instigator”

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

corpus weight

What this shows “instigator” 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).

instigator vs investigator
83% similar
instigator vs instigate
80% similar
instigator vs initiator
80% similar

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

Key facts for instigator
PropertyValue
Headwordinstigator
LanguageEnglish
Part of speechNoun
IPA/ˈɪnstɪɡeɪtə/
Letters10
Frequency rank#43,718
Misspellings tracked15
Confusable pairs4
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “instigator”

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

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “insincere” (#43,717), “insubordination” (#43,719), “insensitivity” (#43,716). Among 2,140 “I” headwords, “instigator” is #43,718. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around instigator (IPA /ˈɪnstɪɡeɪtə/), anoun. Corpus frequency is #43,718 among 2,140 “I” headwords. Dominant gloss: "A person who intentionally instigates, incites, or starts something, especially one that creates trouble.".

Our generated misspelling index lists 15 likely wrong-spelling variants for instigator, with forms such as "innstigator", "insitgator", and "insstigator". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 4 confusable-pair relationships, "investigator", "instigate", "initiator", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Latin īnstīgātor (“stimulator”), from īnstīgāre (present infinitive of īnstīgō (“to incite, set on, stimulate, rouse or urge”), possibly from Proto-Indo-European *(s)teyg- (“to be sharp, to stab; to puncture; to goad”)) + -or (from -ō (suffix forming m… The correct English form is instigator, spelled I-N-S-T-I-G-A-T-O-R.

Definition

  1. 1
    A person who intentionally instigates, incites, or starts something, especially one that creates trouble.

Recorded use

Wiktionary examples

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

  1. Near-synonyms: see Thesaurus:troublemaker
  2. [T]he Pope doth not keepe his quarter, but will needs breake forth of the rayles and limits of that diſtinction, taking vpon him to be authorized alſo temporally, and that, for the ſuppreſſion and ſubverſion of the Civill Soveraignity, […] whence muſt neceſſarily ariſe either privie complottings, or open attempts, in favour of their opinions, and in furth…

Etymology

From Latin īnstīgātor (“stimulator”), from īnstīgāre (present infinitive of īnstīgō (“to incite, set on, stimulate, rouse or urge”), possibly from Proto-Indo-European *(s)teyg- (“to be sharp, to stab; to puncture; to goad”)) + -or (from -ō (suffix forming masculine agent nouns), from Proto-Indo-European *-h₃onh₂- (suffix forming nouns denoting authority or burden)); cognate with French instigateur. By surface analysis, instigate + -or.

This word in other languages

Common misspellings

Also misspelled as:

  • innstigator
  • insitgator
  • insstigator
  • instgiator
  • instiagtor
  • instigaotr
  • instigatorr
  • instigatro
  • instigattor
  • instiggator
  • instigtaor
  • insttigator
  • intsigator
  • isntigator
  • nistigator

Misspelling Pattern Breakdown

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

innstigator1insitgator2insstigator1instgiator2instiagtor2instigaotr2instigatorr1instigatro2
Edit distance from "instigator"

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 "instigator"?
"instigator" is spelled I-N-S-T-I-G-A-T-O-R. The IPA pronunciation is /ˈɪnstɪɡeɪtə/.
What does "instigator" mean?
As a noun, "instigator" means: A person who intentionally instigates, incites, or starts something, especially one that creates trouble.
What words are commonly confused with "instigator"?
"instigator" is commonly confused with "investigator", "instigate", "initiator". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "instigator"?
The IPA (International Phonetic Alphabet) transcription for "instigator" is /ˈɪnstɪɡeɪtə/. 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 "instigator"?
From Latin īnstīgātor (“stimulator”), from īnstīgāre (present infinitive of īnstīgō (“to incite, set on, stimulate, rouse or urge”), possibly from Proto-Indo-European *(s)teyg- (“to be sharp, to stab; to puncture; to goad”)) + -or (from -ō (suffix... 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 "instigator", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list