FMD
"fmd" is a 3-letter English headword indexed on PlainSpell.
The verdict
“FMD” is uncommon English (frequency #95,980 among 18,613 “F” headwords), classed as a noun. The kind of spelling people second-guess.
- #95,980
- frequency rank, English
- 18,613
- “F” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of fibromuscular dysplasia.
Corpus desk
Index EN-fmd · FMD · English
FMD · rank #95,980 · 0 variants · 0 confusables
- FREQ-RARE #95,980
- LEN-MID 3 letters
- VOW-0 0 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 18,613
- PHOTO-FINISH flyaway
Nearest frequency peer: flyaway (-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 “FMD”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- firehose
firehose
4,027 corpus weight
- flailed
flailed
4,026 corpus weight
- flatulent
flatulent
4,023 corpus weight
- flyaway
flyaway
4,022 corpus weight
- FMD
FMD
4,021 corpus weight
- fow
fow
4,016 corpus weight
What this shows Bars show where “FMD” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | FMD |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #95,980 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “FMD” sits in English frequency
Rare enough to double-check
FMD is uncommon English at frequency #95,980 among 18,613 “F” headwords, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.
Zero misspellings are on record for FMD in our index, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.
This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is FMD, spelled F-M-D.
Definition
- 1Initialism of fibromuscular dysplasia.
- 2Initialism of functional movement disorder.
- 3Initialism of foot-and-mouth disease.
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 "FMD", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 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.