KooperationvsKooperationenWhich spelling fits?

Which to use

“Kooperation” and “Kooperationen” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#3,264
“Kooperation” frequency rank
#14,611
“Kooperationen” frequency rank
17875
confusion score

Side-by-Side Comparison

Feature Kooperation Kooperationen
Definition Zusammenbringen von Handlungen zweier oder mehrerer Personen (Systeme), sodass die Wirkungen der Handlungen zum Nutzen aller dieser Personen (Systeme) führen Nominativ Plural des Substantivs Kooperation

Where the eye mixes Kooperation and Kooperationen

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. Kooperation runs 11 letters (CVVCVCVCVVC) against Kooperationen's 13 (CVVCVCVCVVCVC) - the length gap alone is often enough to separate them once you know to check it.

11 ch
Kooperation
13 ch
Kooperationen

Look-alike desk: Kooperation vs Kooperationen

A purely visual mix-up. Kooperation ([ˌkoʔopeʁaˈt͡si̯oːn]) and Kooperationen ([ˌkoʔopeʁaˈt͡si̯oːnən]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “Kooperation” sits inside “Kooperationen”. Our composite confusion score for this pair is 17875, derived from the frequency rank of both members and their visual similarity.

Kooperation is recorded at frequency rank #3,264, classified as anoun, pronounced [ˌkoʔopeʁaˈt͡si̯oːn]. Kooperationen is at rank #14,611, tagged as anoun, pronounced [ˌkoʔopeʁaˈt͡si̯oːnən].

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 17875, this pair ranks #1,923,458 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Kooperation vs Kooperationen

Shared letters: aeiknoprt. Private to "Kooperation": -. Private to "Kooperationen": -.

"Kooperation" · 11 letters · shape CVVCVCVCVVC  ·  "Kooperationen" · 13 letters · shape CVVCVCVCVVCVC

Known mistypes of this pair

  • Kooperation ← kkooperation · kooepration · koopeartion · kooperaiton · kooperatino · kooperationn · kooperatoin · kooperattion
  • Kooperationen ← kkooperationen · kooeprationen · koopeartionen · kooperaitonen · kooperatinoen · kooperatioenn · kooperationenn · kooperationne

Frequently Asked Questions

Can "Kooperation" and "Kooperationen" be used interchangeably?
No. They are said differently ([ˌkoʔopeʁaˈt͡si̯oːn] versus [ˌkoʔopeʁaˈt͡si̯oːnən]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Kooperation" vs "Kooperationen" - which ranks higher?
"Kooperation" is the more common of the two: it sits at frequency rank #3,264 in our German list, against #14,611 for "Kooperationen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "Kooperation" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Kooperationen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,923,458 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Kooperation" and "Kooperationen" also get mixed up with nearby pairs, the highest-scored neighbour is "Kooperationen vs kooperativen". 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 #1,923,458 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