The term "Kerala rat" is used to refer to a particular species of rat that is commonly found in Kerala, a state in India. However, there are a number of synonyms that can be used to describe this rodent. Some of these synonyms include the black rat, house rat, roof rat, ship rat, and common rat. These rodents are known to be skilled climbers, and can often be found nesting in walls, attics, and roofs. They are also considered to be pests, as they can cause damage to structures and transmit diseases to humans and pets. It is important to take appropriate measures to control their populations to prevent infestations.