coalfield
"coalfield" is a 9-letter English headword indexed on PlainSpell.
The verdict
“coalfield” is uncommon English (frequency #63,512 among 43,570 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #63,512
- frequency rank, English
- 43,570
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any region containing deposits of coal that may be mined.
| Property | Value |
|---|---|
| Headword | coalfield |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #63,512 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “coalfield” sits in English frequency
Rare enough to double-check
coalfield is uncommon English at frequency #63,512 among 43,570 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any region containing deposits of coal that may be mined.".
coalfield has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From coal + field. The correct English form is coalfield, spelled C-O-A-L-F-I-E-L-D.
Definition
- 1Any region containing deposits of coal that may be mined.
Etymology
From coal + field.
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 "coalfield"?
What does "coalfield" mean?
What is the origin of the word "coalfield"?
Is PlainSpell free to use?
Using “coalfield”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-O-A-L-F-I-E-L-D - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.