Symphilid is a term used to describe a small, worm-like arthropod that is often found in soil and compost. However, there are several other terms that can also describe this creature, including pseudoscorpion, book scorpion, and garden spider. These synonyms are often used interchangeably with symphilid, as they all share many of the same physical characteristics and behaviors. While they may differ in their specific habitat preferences and feeding habits, symphilids and their synonyms are all important components of the soil ecosystem and play a vital role in promoting healthy plant growth and nutrient cycling.