FDA
"fda" is a 3-letter English headword indexed on PlainSpell.
The verdict
“FDA” sits in 20 confusable pairs (corpus #8,665) as a proper noun. The look-alike neighbours are the real trap.
- #8,665
- frequency rank, English
- 2,507
- “F” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Food and Drug Administration, a United States federal regulatory body.
Corpus desk
Index EN-fda · FDA · English
FDA · rank #8,665 · 0 variants · 20 confusables
- FREQ-COMMON #8,665
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 2,507
- PHOTO-FINISH extensively
Nearest frequency peer: extensively (-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 neighbours of confusable “FDA”
Peers at similar corpus weight, separate from look-alike pairs below
- examining
examining
91,338 corpus weight
- extensively
extensively
91,337 corpus weight
- FDA
FDA
91,336 corpus weight
- forehead
forehead
91,334 corpus weight
- foreigners
foreigners
91,333 corpus weight
- forgiveness
forgiveness
91,332 corpus weight
What this shows Bars place “FDA” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
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 | FDA |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #8,665 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “FDA”
Easy to mix with look-alikes
The spelling risk for FDA is neighbouring look-alikes ("fi", "FL", …), not just typos; it is aproper noun. Frequency #8,665 among 2,507 “F” headwords. 2 recorded senses keep meaning in play.
Zero misspellings are on record for FDA in our index, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "fi", "FL", "FM", and more, where similar look or sound leads writers to substitute one word for another in context.
No documented word history exists for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is FDA, spelled F-D-A.
Definition
- 1Initialism of Food and Drug Administration, a United States federal regulatory body.
- 2Initialism of Food and Drug Administration, a Philippine regulatory agency.
Recorded use
Wiktionary examplesThese source excerpts show how FDA appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
This week, the FDA issued an emergency use authorization (EUA) for a a ^([sic]) monoclonal antibody combination for the treatment of mild to moderate COVID-19 in adults and pediatric patients
In the United States, some apps are getting recognized by the F.D.A. and are in trials to be designated as clinical interventions. Whatever you might think of them, they are fast becoming a part of global mental health care.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "FDA", not the corpus desk frequency band.