Thumps are a type of sound produced when something heavy hits a surface with force. There are several synonyms for thumps that can be used to describe this type of sound. Some examples include bangs, bumps, thuds, knocks, and slams. These words can be used interchangeably depending on the context in which thumps are being described. For instance, thuds and knocks may be used to describe a more muffled or dull sound, while slams and bangs may be used to describe a louder, sharper sound. Ultimately, all of these synonyms for thumps can be used to describe the same type of sound, depending on the specific circumstances.