Spamvertising refers to the practice of sending unsolicited and unwanted emails to promote products or services. However, there are many different synonyms for this term, all of which describe similar or related practices. Some possible synonyms for spamvertising include email marketing, junk mail, bulk emailing, mass emailing, unsolicited email, commercial email, and direct marketing. While these terms may have slightly different connotations or implications, they all refer to the same basic idea of using email to promote products or services to people who have not expressly requested them. Ultimately, the use of these terms suggests a certain level of annoyance or frustration with this ubiquitous online marketing practice.