CvscmWhat's the difference?

Quick tell: C is a character, cm is an abbrev, so they fill different roles in a sentence.

Which to use

“C” is a character and “cm” is an abbrev - they look or sound alike but fill different roles in a sentence.

#343
“C” frequency rank
#1,052
“cm” frequency rank
1395
confusion score

Side-by-Side Comparison

Feature C cm
Definition dritter (mit Umlauten vierter) Buchstabe des deutschen Alphabets; ein Mitlaut Einheitensymbol für Zentimeter; 1 cm = 10⁻² m = 0,01 m = 10 mm

Letter map: C vs cm

Shared letters muted; letters that set C and cm apart highlighted. Shared run: 1.

1 ch
C
2 ch
cm

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: C is acharacter and cmanabbrev. On the page they differ by 1 extra letter(s) - “C” sits inside “cm”. Our composite confusion score for this pair is 1395, derived from the frequency rank of both members and their visual similarity.

C is recorded at frequency rank #343, classified as acharacter, pronounced [t͡seː]. cm is at rank #1,052, tagged as anabbrev.

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 1395, this pair ranks #2,004,422 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of C vs cm

Shared letters: c. Private to "C": -. Private to "cm": m.

"C" · 1 letters · shape C  ·  "cm" · 2 letters · shape CC

Frequently Asked Questions

Can "C" and "cm" be used interchangeably?
No - they are not even the same part of speech. "C" is a character and "cm" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "C" or "cm"?
"C" is the more common of the two: it sits at frequency rank #343 in our German list, against #1,052 for "cm". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list