Periplaneta Americana is commonly known as the American cockroach. However, there are a few other synonyms that can also be used to describe this common household pest. One of these synonyms is the palmetto bug, which is commonly used in the southern United States. Other synonyms include water bug, tree roach, and Bombay canary. Despite its various names, the Periplaneta Americana is still considered a nuisance to humans due to its ability to spread diseases, contaminate food, and trigger allergic reactions in some people. It is important to keep homes and businesses clean and sanitary to prevent infestations.