CsvsczConfusable pair

Quick tell: Cs is a abbrev, cz is a noun, so they fill different roles in a sentence.

Which to use

“Cs” is an abbrev and “cz” is a noun - they look or sound alike but fill different roles in a sentence.

#11,205
“Cs” frequency rank
#38,039
“cz” frequency rank
49244
confusion score

Side-by-Side Comparison

Feature Cs cz
Definition chemisches Symbol Cäsium Digraph in der polnischen Sprache

Where the eye mixes Cs and cz

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

2 ch
Cs
2 ch
cz

Visual trap between Cs and cz

These two trip readers on the page rather than in the ear: Cs is [t͡seːˈʔɛs] while cz is [t͡ʃɛ]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - s in “Cs” becomes z in “cz”, and the parts of speech differ too (abbrev vs noun), which is usually the fastest check. Our composite confusion score for this pair is 49244, derived from the frequency rank of both members and their visual similarity.

Cs is recorded at frequency rank #11,205, classified as anabbrev, pronounced [t͡seːˈʔɛs]. cz is at rank #38,039, tagged as anoun, pronounced [t͡ʃɛ].

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 49244, this pair ranks #1,218,646 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Cs vs cz

Shared letters: c. Private to "Cs": s. Private to "cz": z.

"Cs" · 2 letters · shape CC  ·  "cz" · 2 letters · shape CC

Frequently Asked Questions

Can "Cs" and "cz" be used interchangeably?
No - they are not even the same part of speech. "Cs" is an abbrev and "cz" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Cs" or "cz" show up more?
"Cs" is the more common of the two: it sits at frequency rank #11,205 in our German list, against #38,039 for "cz". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Cs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cz" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,218,646 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Cs" and "cz" also get mixed up with nearby pairs, the highest-scored neighbour is "CCS vs cz". Nearby pair

Confusion rank #1,218,646 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