coal
/kəʊl/
"coal" is a 4-letter English headword indexed on PlainSpell.
The verdict
“coal” is a regularly-used English word, ranked #3,048 in English word frequency and used as a noun.
- #3,048
- frequency rank, English
- 4
- letters
- 4
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A black or brownish black rock formed from prehistoric plant remains, composed largely of carbon and burned as a fuel.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | coal |
| Language | English |
| Part of speech | Noun |
| IPA | /kəʊl/ |
| Letters | 4 |
| Frequency rank | #3,048 |
| Misspellings tracked | 4 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “coal” sits in English frequency
Spelling & Dictionary Insight
The English entry for coal is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /kəʊl/. Corpus data places it at rank #3,048 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 8 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 4 likely wrong-spelling variants for coal, with forms such as "caol", "ccoal", and "coall". 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 20 confusable-pair relationships, "cop", "con", "cow", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From Middle English cole, from Old English col, from Proto-West Germanic *kol, from Proto-Germanic *kulą, from Proto-Indo-European *ǵwelH- (“to burn, shine”). Cognate with West Frisian koal (“coal”), Cimbrian kholl (“coal”), Dutch kool (“coal; carbon”), Ger… The correct English form is coal, spelled C-O-A-L.
Definition
- 1A black or brownish black rock formed from prehistoric plant remains, composed largely of carbon and burned as a fuel.
- 2A black or brownish black rock formed from prehistoric plant remains, composed largely of carbon and burned as a fuel.
- 3A piece of coal used for burning (this use is less common in American English)
- 4A glowing or charred piece of coal, wood, or other solid fuel.
- 5Charcoal.
- 6Content of low quality.
- 7Bombs emitting black smoke on impact.
- 8Money.
Etymology
From Middle English cole, from Old English col, from Proto-West Germanic *kol, from Proto-Germanic *kulą, from Proto-Indo-European *ǵwelH- (“to burn, shine”). Cognate with West Frisian koal (“coal”), Cimbrian kholl (“coal”), Dutch kool (“coal; carbon”), German Kohle (“coal”), Luxembourgish Kuel (“coal”), Vilamovian köła (“coal”), Yiddish קויל (koyl, “coal”), Danish kul (“coal”), Faroese, Icelandic, Norwegian Bokmål, Norwegian Nynorsk, Swedish kol (“coal; carbon”), Jamtish kuł (“coal; carbon”). Compare Middle Irish gúal (“coal”), Lithuanian žvi̇̀lti (“to twinkle, glow”), Persian زغال (zoġâl, “live coal”), Sanskrit ज्वल् (jval, “to burn, glow”), Tocharian B śoliye (“hearth”), all from the same root.
This word in other languages
Common misspellings
Also misspelled as: caol,ccoal,coall,ocal
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of coal - 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.
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
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Using “coal”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-O-A-L - every other letter order is a misspelling in standard orthography.
- Say it as /kəʊl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “cop” - see the side-by-side comparison. coal vs cop
- 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.