DDA
"dda" is a 3-letter English headword indexed on PlainSpell.
The verdict
“DDA” is uncommon English (frequency #59,321 among 3,470 “D” headwords), classed as a noun. The kind of spelling people second-guess.
- #59,321
- frequency rank, English
- 3,470
- “D” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of difficult development area.
Corpus desk
Index EN-dda · DDA · English
DDA · rank #59,321 · 0 variants · 0 confusables
- FREQ-RARE #59,321
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,470
- PHOTO-FINISH daunted
Nearest frequency peer: daunted (-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.
Long-tail ranks near “DDA”
Sparse band: bars invert rank so rarer forms read shorter
- cyclonic
cyclonic
40,686 corpus weight
- Dailey
Dailey
40,685 corpus weight
- daunted
daunted
40,681 corpus weight
- DDA
DDA
40,680 corpus weight
- debater
debater
40,678 corpus weight
- defamed
defamed
40,672 corpus weight
What this shows Long-tail view: where “DDA” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | DDA |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #59,321 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “DDA” in English
Rare enough to double-check
DDA is uncommon English at frequency #59,321 among 3,470 “D” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
Zero misspellings are on record for DDA in our index, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Wiktionary doesn't record an etymology for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is DDA, spelled D-D-A.
Definition
- 1Initialism of difficult development area.
- 2Initialism of digital differential analyzer.
Recorded use
Wiktionary exampleThese source excerpts show how DDA appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Generally, DDAs are areas with poverty rates of 25 percent or more or where 50 percent of households have incomes below 60 percent of the area median income.
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 "DDA", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).