There are numerous synonyms for the term "door-to-door salesmen." Some of the most commonly used ones include "direct salesperson," "field agent," "canvasser," and "sales representative." Other terms that can be used to describe individuals who engage in door-to-door sales include "door knockers," "peddlers," "hawkers," and "traveling salespeople." It's important to note that these terms can carry different connotations and may be perceived differently depending on the context in which they are used. Regardless of the terminology used, door-to-door salesmen often employ persuasive techniques to sell their products or services directly to consumers in their homes.