Loin and Pleura

Loin noun - Either side of the backbone between the hipbone and the ribs in humans as well as quadrupeds.

Pleura and loin are semantically related In some cases you can use "Pleura" instead a noun "Loin".

Pleura noun - The thin serous membrane around the lungs and inner walls of the chest.

Loin and pleura are semantically related in haunch of an animate being topic. You can use "Loin" instead a noun "Pleura".