inhibitor

/ɪnˈhɪbɪtɚ/

//ɪnˈhɪbɪtɚ// noun

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

The verdict

“inhibitor” is a moderately-common English word, ranked #17,643 in English word frequency and used as a noun.

#17,643
frequency rank, English
9
letters
13
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - One who, or that which, inhibits.

Visual similarity to commonly confused words

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

inhibitor vs inhibitory
90% similar
inhibitor vs inhibit
78% similar
inhibitor vs inhibition
80% similar

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

Key facts for inhibitor
PropertyValue
Headwordinhibitor
LanguageEnglish
Part of speechNoun
IPA/ɪnˈhɪbɪtɚ/
Letters9
Frequency rank#17,643
Misspellings tracked13
Confusable pairs3
SourceWiktionary (kaikki.org)

Where “inhibitor” 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). inhibitor 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 inhibitor is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɪnˈhɪbɪtɚ/. Corpus data places it at rank #17,643 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 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 inhibitor, with forms such as "ihnibitor", "inhbiitor", and "inhhibitor". 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 3 confusable-pair relationships, "inhibitory", "inhibit", "inhibition", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From inhibit + -or. The correct English form is inhibitor, spelled I-N-H-I-B-I-T-O-R.

Definition

  1. 1
    One who, or that which, inhibits.
  2. 2
    Any substance capable of stopping or slowing a specific chemical reaction.
  3. 3
    Any substance capable of stopping or slowing a specific biological process.

Etymology

From inhibit + -or.

This word in other languages

Common misspellings

Also misspelled as: ihnibitor,inhbiitor,inhhibitor,inhibbitor,inhibiotr,inhibitorr,inhibitro,inhibittor,inhibtior,inhiibtor,inihbitor,innhibitor,nihibitor

Misspelling Pattern Breakdown

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

ihnibitor2inhbiitor2inhhibitor1inhibbitor1inhibiotr2inhibitorr1inhibitro2inhibittor1
Edit distance from "inhibitor"

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 "inhibitor"?
"inhibitor" is spelled I-N-H-I-B-I-T-O-R. The IPA pronunciation is /ɪnˈhɪbɪtɚ/.
What does "inhibitor" mean?
As a noun, "inhibitor" means: One who, or that which, inhibits.
What words are commonly confused with "inhibitor"?
"inhibitor" is commonly confused with "inhibitory", "inhibit", "inhibition". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "inhibitor"?
The IPA (International Phonetic Alphabet) transcription for "inhibitor" is /ɪnˈhɪbɪtɚ/. 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 "inhibitor"?
From inhibit + -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 “inhibitor”

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

  • The one correct English spelling is I-N-H-I-B-I-T-O-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ɪnˈhɪbɪtɚ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “inhibitory” - see the side-by-side comparison. inhibitor vs inhibitory
  • 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