Heliobacter is a genus of bacteria that includes several species, including Heliobacter pylori. While there are not many synonyms for the word Heliobacter, some possible alternatives include gastric bacteria, stomach bacteria, and peptic ulcer bacteria. These terms all refer to the same general group of bacteria that are associated with gastrointestinal issues, including ulcers, gastritis, and other digestive disorders. Other related terms include H. pylori, which is a specific strain of Heliobacter, as well as Helicobacter, which is an alternate spelling of the genus name and is sometimes used interchangeably with Heliobacter.