BDD
"bdd" is a 3-letter English headword indexed on PlainSpell.
The verdict
“BDD” is uncommon English (frequency #75,647 among 4,121 “B” headwords), classed as a noun. The kind of spelling people second-guess.
- #75,647
- frequency rank, English
- 4,121
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of binary decision diagram.
Corpus desk
Index EN-bdd · BDD · English
BDD · rank #75,647 · 0 variants · 0 confusables
- FREQ-RARE #75,647
- LEN-MID 3 letters
- VOW-0 0 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,121
- PHOTO-FINISH beasties
Nearest frequency peer: beasties (+2 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 “BDD”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- barite
barite
24,361 corpus weight
- baronial
baronial
24,359 corpus weight
- BDD
BDD
24,354 corpus weight
- beasties
beasties
24,352 corpus weight
- beneficent
beneficent
24,349 corpus weight
- Berisha
Berisha
24,346 corpus weight
What this shows Bars show where “BDD” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | BDD |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #75,647 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “BDD” sits in English frequency
Rare enough to double-check
BDD is uncommon English at frequency #75,647 among 4,121 “B” headwords, classed as anoun. Rarity is why readers land here mid-draft. 5 senses are on record.
BDD has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.
No borrowing history is documented for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is BDD, spelled B-D-D.
Definition
- 1Initialism of binary decision diagram.
- 2Initialism of body dysmorphic disorder.
- 3Initialism of balancing domain decomposition.
- 4Initialism of behavior-driven development.
- 5Initialism of business-driven development.
Recorded use
Wiktionary examplesThese source excerpts show how BDD appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Is BDD caused by our culture's emphasis on appearance and our concepts of beauty? We are certainly bombarded with messages telling us what looks good, what makes people attractive, and that whatever we look like now is not good enough.
"There might be BDD [Body Dysmorphic Disorder] or untreated psychological issues," she said.
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 September 3, 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 "BDD", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).
What to do next
You've looked up "BDD". Here's where to go from here.
- Usage frequency rank #75,647 among English headwords in this corpus. Corpus statistics
- Browse more English words in the "B" letter cohort. B–Z browse
- PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.
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.