KooperationvskooperativeTell them apart

Quick tell: Kooperation is a noun, kooperative is an adjective, so they fill different roles in a sentence.

Which to use

“Kooperation” is a noun and “kooperative” is an adjective - they look or sound alike but fill different roles in a sentence.

#3,264
“Kooperation” frequency rank
#33,681
“kooperative” frequency rank
36945
confusion score

Side-by-Side Comparison

Feature Kooperation kooperative
Definition Zusammenbringen von Handlungen zweier oder mehrerer Personen (Systeme), sodass die Wirkungen der Handlungen zum Nutzen aller dieser Personen (Systeme) führen Nominativ Singular Femininum der starken Deklination des Positivs des Adjektivs kooperativ

Where the eye mixes Kooperation and kooperative

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. Kooperation (CVVCVCVCVVC) and kooperative (CVVCVCVCVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

11 ch
Kooperation
11 ch
kooperative

Why the eye confuses Kooperation with kooperative

These two trip readers on the page rather than in the ear: Kooperation is [ˌkoʔopeʁaˈt͡si̯oːn] while kooperative is [ˌkoʔopəʁaˈtiːvə]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 36945, 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]. kooperative is at rank #33,681, tagged as anadj, pronounced [ˌkoʔopəʁaˈtiːvə].

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 36945, this pair ranks #1,602,673 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Kooperation vs kooperative

Shared letters: aeikoprt. Private to "Kooperation": n. Private to "kooperative": v.

"Kooperation" · 11 letters · shape CVVCVCVCVVC  ·  "kooperative" · 11 letters · shape CVVCVCVCVCV

Known mistypes of this pair

  • Kooperation ← kkooperation · kooepration · koopeartion · kooperaiton · kooperatino · kooperationn · kooperatoin · kooperattion
  • kooperative ← kkooperative · kooeprative · koopeartive · kooperaitve · kooperatiev · kooperativve · kooperattive · kooperatvie

Frequently Asked Questions

Is swapping "Kooperation" for "kooperative" ever safe?
No - they are not even the same part of speech. "Kooperation" is a noun and "kooperative" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Kooperation" or "kooperative" show up more?
"Kooperation" is the more common of the two: it sits at frequency rank #3,264 in our German list, against #33,681 for "kooperative". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "Kooperation" and "kooperative" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Kooperation" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kooperative" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,602,673 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Kooperation" and "kooperative" also get mixed up with nearby pairs, the highest-scored neighbour is "kooperative 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 #1,602,673 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