Bursa and Pit

Bursa noun - A small fluid-filled sac located between movable parts of the body especially at joints.

Pit and bursa are semantically related. in sunken or decayed area topic. In some cases you can use "Pit" instead a noun "Bursa".

Pit noun - A sunken area forming a separate space.

Bursa and pit are semantically related. Sometimes you can use "Bursa" instead a noun "Pit".