UDC
"udc" is a 3-letter English headword indexed on PlainSpell.
The verdict
“UDC” is uncommon English (frequency #53,927 among 1,433 “U” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #53,927
- frequency rank, English
- 1,433
- “U” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Universal Decimal Classification.
Corpus desk
Index EN-udc · UDC · English
UDC · rank #53,927 · 0 variants · 0 confusables
- FREQ-RARE #53,927
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,433
- PHOTO-FINISH ummah
Nearest frequency peer: ummah (+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 “UDC”
Sparse band: bars invert rank so rarer forms read shorter
- Trondheim
Trondheim
46,078 corpus weight
- UDC
UDC
46,074 corpus weight
- ummah
ummah
46,073 corpus weight
- underhand
underhand
46,072 corpus weight
- undifferent…
undifferentiated
46,070 corpus weight
- undignified
undignified
46,069 corpus weight
What this shows Long-tail view: where “UDC” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | UDC |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #53,927 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “UDC” in English
Rare enough to double-check
UDC is uncommon English at frequency #53,927 among 1,433 “U” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. 4 senses are on record.
No misspelling variants are generated for UDC in our index, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Our source data has no etymology on file for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is UDC, spelled U-D-C.
Definition
- 1Initialism of Universal Decimal Classification.
- 2Initialism of United Daughters of the Confederacy.
- 3Initialism of University of the District of Columbia.
- 4Initialism of Umbrella for Democratic Change.
Recorded use
Wiktionary exampleThese source excerpts show how UDC appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
‘My cousin gave me Their Eyes Were Watching God. She had it in a class. She goes to UDC. I liked that book.’
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 "UDC", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).