CDC
"cdc" is a 3-letter English headword indexed on PlainSpell.
The verdict
“CDC” sits in 20 confusable pairs (corpus #13,113) as a proper noun. The look-alike neighbours are the real trap.
- #13,113
- frequency rank, English
- 5,599
- “C” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Control Data Corporation.
Corpus desk
Index EN-cdc · CDC · English
CDC · rank #13,113 · 0 variants · 20 confusables
- FREQ-MID #13,113
- LEN-MID 3 letters
- VOW-0 0 vowels
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH calorie
Nearest frequency peer: calorie (-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 “CDC”
Peers at similar corpus weight, separate from look-alike pairs below
- brutally
brutally
86,891 corpus weight
- buff
buff
86,890 corpus weight
- calorie
calorie
86,889 corpus weight
- CDC
CDC
86,888 corpus weight
- chamberlain
chamberlain
86,887 corpus weight
- cis
cis
86,886 corpus weight
What this shows Bars place “CDC” 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 | CDC |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #13,113 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “CDC”
Easy to mix with look-alikes
The spelling risk for CDC is neighbouring look-alikes ("co", "CM", …), not just typos; it is aproper noun. Frequency #13,113 among 5,599 “C” headwords. 4 recorded senses keep meaning in play.
CDC has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. It also participates in 20 confusable-pair relationships, "co", "CM", "CT", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
No explicit etymology string is stored for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is CDC, spelled C-D-C.
Definition
- 1Initialism of Control Data Corporation.
- 2Initialism of Centers for Disease Control and Prevention
- 3Initialism of Connected Device Configuration.
- 4Initialism of Clark Development Corporation.
Recorded use
Wiktionary examplesThese source excerpts show how CDC appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
In 2016, the CDC established guidelines for prescribing narcotics for chronic pain.
A 2009 multistate CDC survey off over seventy thousand adults found that more than 35 percent of people slept fewer than seven hours per night.
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 "CDC", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).