CDU
"cdu" is a 3-letter English headword indexed on PlainSpell.
The verdict
“CDU” sits in 20 confusable pairs (corpus #37,372) as a proper noun. The look-alike neighbours are the real trap.
- #37,372
- frequency rank, English
- 43,570
- “C” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of Christian Democratic Union (of Germany) (“Christlich Demokratische Union”) (a major mainstream German political party)
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 | CDU |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #37,372 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “CDU” sits in English frequency
Easy to mix with look-alikes
The spelling risk for CDU is neighbouring look-alikes ("co", "CM", …), not just typos; it is aproper noun. Frequency #37,372 among 43,570 “C” headwords. Gloss: "Initialism of Christian Democratic Union (of Germany) (“Christlich Demokratische Union”) (a major mainstream German political party)".
No misspelling variants are generated for CDU in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. It also participates in 20 confusable-pair relationships, "co", "CM", "CT", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
This entry carries no recorded etymology, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is CDU, spelled C-D-U.
Definition
- 1Initialism of Christian Democratic Union (of Germany) (“Christlich Demokratische Union”) (a major mainstream German political party)
This word in other languages
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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Using “CDU”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-D-U - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “co” - see the side-by-side comparison. CDU vs co
- Browse more English words and confusable pairs in the same reference. English words
Words at a similar English frequency
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.