# cooperate

> English word · Verb · IPA /kəʊˈɒp.ə.ɹeɪt/ · frequency rank #9,723

## Definitions
1. To work or act together, especially for a common purpose or benefit.
2. To allow for mutual unobstructed action.
3. To function in harmony, side by side.
4. To engage in economic cooperation.
5. To obtain the cooperation of (a potential witness); to turn (someone) into a cooperating witness.

## Etymology
Originated 1595–1605 from Late Latin cooperātus, perfect passive participle of cooperor (“to work with”), see -ate (verb-forming suffix) for more. Equivalent to co- + operate. Displaced native Old English efnwyrċan.

## Easily confused with
- **corporate** (https://plainspell.com/en/vs/cooperate-vs-corporate)
- **cooperative** (https://plainspell.com/en/vs/cooperate-vs-cooperative)

## Common misspellings (12)
`ccooperate`, `cooeprate`, `coopearte`, `cooperaet`, `cooperatte`, `cooperrate`, `coopertae`, `coopperate`, `coopreate`, `coperate`, `copoerate`, `ocoperate`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/cooperate