The term "house snake" refers to a type of non-venomous snake that is commonly found in and around human dwellings. If you are looking for synonyms for this term, you might consider using one of the following alternatives: rat snake, corn snake, milk snake, king snake, or garter snake. These types of snakes are often confused with venomous species, but they are generally harmless to humans and can even be beneficial to have around. If you are trying to identify a particular type of house snake, it is important to look for distinctive markings and characteristics, as well as consult with a trusted expert in snake identification.