mill

/mɪl/

//mɪl// noun

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

The verdict

“mill” is a regularly-used English word, ranked #3,769 in English word frequency and used as a noun.

#3,769
frequency rank, English
4
letters
3
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A grinding apparatus for substances such as grains, seeds, etc. (Some are small and simple, and some are large and complex.)

Visual similarity to commonly confused words

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

mill vs ML
0% similar
mill vs mix
50% similar
mill vs min
50% similar

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

Key facts for mill
PropertyValue
Headwordmill
LanguageEnglish
Part of speechNoun
IPA/mɪl/
Letters4
Frequency rank#3,769
Misspellings tracked3
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “mill” 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). mill 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 mill is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /mɪl/. Corpus data places it at rank #3,769 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 20 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 3 likely wrong-spelling variants for mill, with forms such as "imll", "mlil", and "mmill". 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, "ML", "mix", "min", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English mylne, mille, from Old English mylen, from Proto-West Germanic *mulīnu (“mill”), from Late Latin molīna, molīnum, molīnus (“mill”), from Latin molō (“grind, mill”, verb), closely allied to Proto-Germanic *muljaną (“to crush, grind”) (see… The correct English form is mill, spelled M-I-L-L.

Definition

  1. 1
    A grinding apparatus for substances such as grains, seeds, etc. (Some are small and simple, and some are large and complex.)
  2. 2
    The building housing such a grinding apparatus; also, any similar building that houses a similarly material activity (such as weaving, fulling, dying, etc.); the place of business comprising such a building and its outbuildings and grounds.
  3. 3
    A machine used for expelling the juice, sap, etc., from vegetable tissues by pressure, or by pressure in combination with a grinding, or cutting process; any similar apparatus that otherwise processes.
  4. 4
    A machine for grinding and polishing.
  5. 5
    A milling machine for machining of solid metal, wood, or plastic.
  6. 6
    A milling cutter used on such a machine.
  7. 7
    A manufacturing plant for paper, steel, textiles, flooring, and some other kinds of materials.
  8. 8
    The building complex housing such a plant; the place of business comprising such buildings and their grounds.
  9. 9
    An establishment that handles a certain type of situation or procedure routinely, or produces large quantities of an item without much regard to quality. (The notion of churning out massive amounts indiscriminately underlies the figurative metaphor.)
  10. 10
    An institution or pseudo-institutional business awarding credentials (such as diplomas, degrees, certificates, or certifications) of either dubious value or fraudulent nature; one selling essays or other documents for the buyers (usually students) to fraudulently pass off as their own.
  11. 11
    An engine.
  12. 12
    A boxing match or fistfight.
  13. 13
    A hardened steel roller with a design in relief, used for imprinting a reversed copy of the design in a softer metal, such as copper.
  14. 14
    An excavation in rock, transverse to the workings, from which material for filling is obtained.
  15. 15
    A passage underground through which ore is shot.
  16. 16
    The raised or ridged edge or surface made in milling anything, such as a coin or screw.
  17. 17
    A prison treadmill.
  18. 18
    A military prison, either guardhouse or post prison.
  19. 19
    A delousing station: a cootie mill.
  20. 20
    A typewriter used to transcribe messages received.

Etymology

From Middle English mylne, mille, from Old English mylen, from Proto-West Germanic *mulīnu (“mill”), from Late Latin molīna, molīnum, molīnus (“mill”), from Latin molō (“grind, mill”, verb), closely allied to Proto-Germanic *muljaną (“to crush, grind”) (see English millstone). Perhaps cognate with Milne (a surname). Doublet of moline, moulin, and blin.

Synonyms

This word in other languages

Common misspellings

Also misspelled as: imll,mlil,mmill

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of mill - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

imll2mlil2mmill1
Edit distance from "mill"

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 "mill"?
"mill" is spelled M-I-L-L. The IPA pronunciation is /mɪl/.
What does "mill" mean?
As a noun, "mill" means: A grinding apparatus for substances such as grains, seeds, etc. (Some are small and simple, and some are large and complex.)
What words are commonly confused with "mill"?
"mill" is commonly confused with "ML", "mix", "min". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "mill"?
The IPA (International Phonetic Alphabet) transcription for "mill" is /mɪl/. 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 "mill"?
From Middle English mylne, mille, from Old English mylen, from Proto-West Germanic *mulīnu (“mill”), from Late Latin molīna, molīnum, molīnus (“mill”), from Latin molō (“grind, mill”, verb), closely allied to Proto-Germanic *muljaną (“to crush, gr... 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 “mill”

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

  • The one correct English spelling is M-I-L-L - every other letter order is a misspelling in standard orthography.
  • Say it as /mɪl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “ML” - see the side-by-side comparison. mill vs ML
  • 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