The term "ras Related C Botulinum Toxin Substrate" is a mouthful to pronounce and can be quite technical for those unfamiliar with the topic. However, there are some synonyms that can simplify its understanding. One possible synonym is "Rac1-binding protein" as it refers to the same protein coded by the RAC1 gene. Additionally, it is also known as "p21-Rac1 Activated Kinase 1" or simply "PAK1". These synonyms provide a more approachable way to refer to this substrate, making it easier for individuals to grasp its significance in various biological processes.