clvsclouWhat's the difference?

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

Which to use

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

#10,252
“cl” frequency rank
#39,272
“clou” frequency rank
49524
confusion score

Side-by-Side Comparison

Feature cl clou
Definition Zentiliter (= 0,01 l, 10⁻² l, ein hundertstel Liter) Nagel

Letter map: cl vs clou

Shared letters muted; letters that set cl and clou apart highlighted. Shared run: 2.

2 ch
cl
4 ch
clou

Grammar separator: cl vs clou

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cl is anabbrev and clouanoun. On the page they differ by 2 extra letter(s) - “cl” sits inside “clou”. Our composite confusion score for this pair is 49524, derived from the frequency rank of both members and their visual similarity.

cl is recorded at frequency rank #10,252, classified as anabbrev. clou is at rank #39,272, tagged as anoun, pronounced [klu].

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 49524, this pair ranks #1,208,276 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cl vs clou

Shared letters: cl. Private to "cl": -. Private to "clou": ou.

"cl" · 2 letters · shape CC  ·  "clou" · 4 letters · shape CCVV

Known mistypes of this pair

  • cloucclou · cllou · cluo · colu · lcou

Frequently Asked Questions

Can "cl" and "clou" be used interchangeably?
No - they are not even the same part of speech. "cl" is an abbrev and "clou" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cl" or "clou"?
"cl" is the more common of the two: it sits at frequency rank #10,252 in our German list, against #39,272 for "clou". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "cl" and "clou".

  • Full dictionary entry for "cl" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "clou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,208,276 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "cl" and "clou" also get mixed up with nearby pairs, the highest-scored neighbour is "clock vs clou". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #1,208,276 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