The term GNAWING ANIMAL can be solved by two crossword solutions: RODENT (6 letters) and PACA (4 letters). Rodents are a group of mammals that includes mice, rats, squirrels, and porcupines. They are characterized by their large front teeth which they use for gnawing and burrowing. Pacas are a type of RODENT found in Central and South America. They have long bodies and short legs, and are nocturnal animals. They are also known for their loud vocalizations and their ability to swim.