Copartnery is a word commonly used in the context of business and partnerships. It refers to a relationship between two or more parties to share profits and losses in a business venture. In the legal terminology, copartnery is associated with the concept of joint tenancy. There are various synonyms that can be used to replace the word copartnery. Partnership, collaboration, and mutual endeavor are some of the commonly used synonyms. Joint venture, co-ownership, and consortium are also synonyms with the same meaning. Moreover, the term comradeship can be used as its synonym to denote a friendly relationship between partners. In conclusion, the word copartnery has significant importance in the business world. With its synonyms, it can provide variety in communication while describing the partnerships and collaborations that take place in commerce.