- 合作社 hézuòshè cooperativeAn organization or enterprise owned and operated by its members for mutual benefit, such as workers' or agricultural producers' cooperatives.
- 合作者 hézuòzhě collaboratora person who works jointly on an activity or project; a co-worker or partner
- 合作化 hézuòhuà collectivizationcollectivization (in Marxist theory)
- 通力合作 tōnglìhézuò cooperateto join forces and work together with concentrated effort and full cooperation
- 光合作用 guānghézuòyòng photosynthesis
- 农业合作化 nóngyèhézuòhuà collectivizationcollectivization of agriculture (in Marxist theory)
- 不合作 bùhézuò noncooperationnoncooperation; to refuse to cooperate
- 国共合作 Guó Gòng Hézuò United FrontUnited Front (either of the two alliances between the Kuomintang and the Communist Party, 1923-1927 and 1937-1945)
- 合作市 Hézuò Shì HezuoHezuo, a county-level city in Gannan Tibetan Autonomous Prefecture, Gansu
- 合作方 hézuòfāng partner(business) partner
- 农业生产合作社 nóngyèshēngchǎnhézuòshè agricultural cooperativeagricultural producers' cooperative
- 上海合作组织 Shànghǎi Hézuò Zǔzhī Shanghai Cooperation OrganizationShanghai Cooperation Organization (SCO)
- 南亚区域合作联盟 Nán Yà Qūyù Hézuò Liánméng SAARCSouth Asian Association for Regional Cooperation (SAARC)
- 农村合作化 nóngcūnhézuòhuà agricultural collectivizationcollectivization of agriculture (in Marxist theory)
- 大湄公河次区域合作 Dà Méigōnghécìqūyùhézuò GMS cooperationGreater Mekong Subregion (GMS), economic cooperation program between nations including China and Vietnam
- 建教合作 jiànjiàohézuò cooperative educationcooperative education program (Taiwan usage)
- 新型农村合作医疗 Xīnxíng Nóngcūn Hézuò Yīliáo rural healthcareNew Rural Cooperative Medical Scheme (NRCMS), a social medical insurance system for rural residents in China
- 欧洲安全与合作组织 ōuzhōu'ānquányǔ Hézuò Zǔzhī OSCEOrganization for Security and Cooperation in Europe (OSCE)
- 欧洲安全和合作组织 ōuzhōu'ānquánhé Hézuò Zǔzhī OSCEOrganization for Security and Cooperation in Europe (OSCE)
- 经济合作与发展组织 Jīngjì Hézuòyǔ Fāzhǎn Zǔzhī OECDOrganization for Economic Cooperation and Development
- 聚合作用 jùhézuòyòng polymerization
- 合作农场 hézuònóngchǎng collective farma collective farm, such as a Soviet kolkhoz
- 亚太经济合作组织 Yà Tài Jīngjì Hézuò Zǔzhī APECAsia-Pacific Economic Cooperation, an intergovernmental forum for member economies in the Pacific Rim that promotes free trade throughout the Asia-Pacific region
- 合作伙伴 hézuòhuǒbàn partnercooperative partner
