brownfield
"brownfield" is a 10-letter English headword indexed on PlainSpell.
The verdict
“brownfield” is uncommon English (frequency #51,003 among 31,241 “B” headwords), classed as a noun. The kind of spelling people second-guess.
- #51,003
- frequency rank, English
- 31,241
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A site, to be used for housing or commerce, that has been previously used for industry and may be contaminated or need extensive clearing.
Corpus desk
Index EN-brownfield · brownfield · English
brownfield · rank #51,003 · 0 variants · 0 confusables
- FREQ-RARE #51,003
- LEN-MEGA 10 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 31,241
- PHOTO-FINISH brony
Nearest frequency peer: brony (-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.
Frequency neighbourhood for “brownfield”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- brazenly
brazenly
49,004 corpus weight
- brazier
brazier
49,003 corpus weight
- BrE
BrE
49,002 corpus weight
- brony
brony
48,999 corpus weight
- brownfield
brownfield
48,998 corpus weight
- busing
busing
48,994 corpus weight
What this shows Bars show where “brownfield” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | brownfield |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Frequency rank | #51,003 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “brownfield” sits in English frequency
Rare enough to double-check
brownfield is uncommon English at frequency #51,003 among 31,241 “B” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A site, to be used for housing or commerce, that has been previously used for industry and may be contaminated or need extensive clearing.".
brownfield doesn't appear in our generated misspelling index, suggesting the orthography follows predictable English patterns. This entry stands alone in our confusable dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From brown + field. The correct English form is brownfield, spelled B-R-O-W-N-F-I-E-L-D.
Definition
- 1A site, to be used for housing or commerce, that has been previously used for industry and may be contaminated or need extensive clearing.
Etymology
From brown + field.
This word in other languages
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "brownfield", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency 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.