C1vsclTell them apart

Quick tell: C1 is a noun, cl is an abbrev, so they fill different roles in a sentence.

Which to use

“C1” is a noun and “cl” is an abbrev - they look or sound alike but fill different roles in a sentence.

#20,203
“C1” frequency rank
#10,252
“cl” frequency rank
30455
confusion score

Side-by-Side Comparison

Feature C1 cl
Definition Abkürzung für die Entscheidungsüberdeckung Zentiliter (= 0,01 l, 10⁻² l, ein hundertstel Liter)

Letter map: C1 vs cl

Shared letters muted; letters that set C1 and cl apart highlighted. Shared run: 1.

2 ch
C1
2 ch
cl

Part-of-speech tell for C1 / cl

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: C1 is anoun and clanabbrev. On the page they differ by a single letter - 1 in “C1” becomes l in “cl”. Our composite confusion score for this pair is 30455, 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]. cl is at rank #10,252, 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 30455, this pair ranks #1,747,488 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of C1 vs cl

Shared letters: c. Private to "C1": -. Private to "cl": l.

"C1" · 1 letters · shape C  ·  "cl" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "C1" for "cl" ever safe?
No - they are not even the same part of speech. "C1" is a noun and "cl" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "C1" or "cl"?
"cl" is the more common of the two: it sits at frequency rank #10,252 in our German list, against #20,203 for "C1". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "C1" and "cl". Here's where to go from here.

  • Full dictionary entry for "C1" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cl" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,747,488 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "C1" and "cl" also get mixed up with nearby pairs, the highest-scored neighbour is "C1 vs CCS". Nearby pair

Confusion rank #1,747,488 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