cmvscorWhat's the difference?

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

Which to use

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

#1,052
“cm” frequency rank
#41,731
“cor” frequency rank
42783
confusion score

Side-by-Side Comparison

Feature cm cor
Definition Einheitensymbol für Zentimeter; 1 cm = 10⁻² m = 0,01 m = 10 mm das Herz

Where the spellings diverge

Shared letters are muted; the letters that actually set cm and cor apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

2 ch
cm
3 ch
cor

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cm is anabbrev and coranoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42783, derived from the frequency rank of both members and their visual similarity.

cm is recorded at frequency rank #1,052, classified as anabbrev. cor is at rank #41,731, tagged as anoun, pronounced […].

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 42783, this pair ranks #1,438,617 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cm vs cor

Shared letters: c. Private to "cm": m. Private to "cor": or.

"cm" · 2 letters · shape CC  ·  "cor" · 3 letters · shape CVC

Frequency comparison

cm#1,052
cor#41,731

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "cm" and "cor" be used interchangeably?
No - they are not even the same part of speech. "cm" is an abbrev and "cor" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cm" or "cor"?
"cm" is the more common of the two: it sits at frequency rank #1,052 in our German list, against #41,731 for "cor". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering cm vs cor

The fastest way to pick the right one every time.

  • Check the role first: if you need an abbrev, it's “cm”; for a noun, it's “cor”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “cm” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list