The word "snarl" is often used to describe a sound made by an angry or aggressive animal. However, there are plenty of synonyms that can be used to convey a similar meaning. For instance, "growl", "roar", "snort", "bark", "yap", "howl", "hiss", "whine", and "grunt" are some of the many synonyms for "snarl." Each of these words conveys a slightly different nuance or intensity of sound, but they all convey the same idea of an animal warning or threatening its prey or a potential predator. By choosing the right synonym, writers can add a unique flavor to their descriptions and make their writing more engaging and interesting to read.