C1
[t͡seːˈaɪ̯ns]
The verdict
“C1” is a moderately-common German word, ranked #20,203 in German word frequency and used as a noun.
- #20,203
- frequency rank, German
- 2
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Abkürzung für die Entscheidungsüberdeckung
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 | C1 |
| Language | German |
| Part of speech | Noun |
| IPA | [t͡seːˈaɪ̯ns] |
| Letters | 2 |
| Frequency rank | #20,203 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “C1” sits in German frequency
Spelling & Dictionary Insight
The German entry for C1 is 2 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [t͡seːˈaɪ̯ns]. Corpus data places it at rank #20,203 in overall German word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Abkürzung für die Entscheidungsüberdeckung".
C1 doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "cm", "CD", "Ch", and more, where similar look or sound leads writers to substitute one word for another in context.
Wiktionary doesn't record an etymology for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct German form is C1, spelled C-1.
Definition
- 1Abkürzung für die Entscheidungsüberdeckung
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 German corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "C1"?
What does "C1" mean?
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Using “C1”
The practical upshot for anyone who landed here from a spell-check.
- The one correct German spelling is C-1 - every other letter order is a misspelling in standard orthography.
- Say it as [t͡seːˈaɪ̯ns] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “cm” - see the side-by-side comparison. C1 vs cm
- Browse more German words and confusable pairs in the same reference. German words
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.