# CDU vs CSX

> English confusable word pair

## The two words

### CDU
*name · frequency rank #37,372*
Initialism of Christian Democratic Union (of Germany) (“Christlich Demokratische Union”) (a major mainstream German political party)

### CSX
*name · IPA /ˈsi.ɛsˌɛks/ · frequency rank #48,688*
CSX Transportation, an American Class I freight railroad that operates in the eastern United States and in the southern parts of Ontario and Québec. Its chief competitor is the Norfolk Southern Railway. This railroad formed from a merger with the Chessie System and Seaboard System railroads in the nineteen eighties.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/cdu-vs-csx