Commerces are the various business activities carried out by an individual or a group of people. There are a plethora of synonyms that can be used in place of the word 'commerces'. Some of these synonyms include trade, commerce, business, dealings, transactions, buying and selling, exchange, industry, merchandising, salesmanship, traffic, marketing, vending, and retailing. Each of these words connotes the same meaning as 'commerce' and can be used interchangeably depending on the context. Therefore, expanding one's vocabulary with a range of synonyms will not only improve the quality of writing but also make it more engaging.