C1vsC3Confusable pair

Which to use

“C1” and “C3” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#20,203
“C1” frequency rank
#25,488
“C3” frequency rank
45691
confusion score

Side-by-Side Comparison

Feature C1 C3
Definition Abkürzung für die Entscheidungsüberdeckung Abkürzung für die Mehrfachbedingungsüberdeckung

Where the eye mixes C1 and C3

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
C1
2 ch
C3

Look-alike desk: C1 vs C3

A purely visual mix-up. C1 ([t͡seːˈaɪ̯ns]) and C3 ([t͡seːˈdʁaɪ̯]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - 1 in “C1” becomes 3 in “C3”. Our composite confusion score for this pair is 45691, derived from the frequency rank of both members and their visual similarity.

C1 is recorded at frequency rank #20,203, classified as anoun, pronounced [t͡seːˈaɪ̯ns]. C3 is at rank #25,488, tagged as anoun, pronounced [t͡seːˈdʁaɪ̯].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 45691, this pair ranks #1,344,442 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of C1 vs C3

Shared letters: c. Private to "C1": -. Private to "C3": -.

"C1" · 1 letters · shape C  ·  "C3" · 1 letters · shape C

Frequently Asked Questions

Do "C1" and "C3" mean the same thing in a sentence?
No. They are said differently ([t͡seːˈaɪ̯ns] versus [t͡seːˈdʁaɪ̯]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "C1" or "C3" show up more?
"C1" is the more common of the two: it sits at frequency rank #20,203 in our German list, against #25,488 for "C3". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "C1" and "C3" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "C1" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "C3" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,344,442 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "C1" and "C3" also get mixed up with nearby pairs, the highest-scored neighbour is "C3 vs CCS". Nearby pair

Confusion rank #1,344,442 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list