Calcaneonavicular refers to the joint located between the calcaneus bone and the navicular bone in the foot. While there may not be as many synonyms for this specific joint, there are other terms that refer to the foot and surrounding structures such as tarsal, metatarsal, and phalangeal joints. Additionally, the terms subtalar joint and midfoot joint can also refer to the calcaneonavicular joint. It's important to understand the various words used to describe the structures in our bodies, especially when discussing medical conditions or exploring treatments for foot and ankle related issues.