The word "dotcom" is commonly used to refer to a company that conducts business primarily through the internet. However, there are several synonyms for this term that can be used to describe such businesses. The most common synonym for dotcom is "e-commerce," which refers to businesses that sell products and services online. Another synonym is "web-based business," which indicates that a company operates primarily through a website. "Internet-based business" and "online business" are also commonly used synonyms for dotcom. These terms are often used interchangeably and are a useful way to describe modern businesses that thrive in the digital age.