Haunch and Rump

Haunch noun - The loin and leg of a quadruped.

Rump and haunch are semantically related in upper legs topic. In some cases you can use "Rump" instead a noun "Haunch".

Rump noun - The part of the body upon which someone sits.

Haunch and rump are semantically related in buttocks topic. You can use "Haunch" instead a noun "Rump".