Loins and Rump

Loins noun - The lower part of the abdomen just above the external genital organs.

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

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

Loins and rump are semantically related. Sometimes you can replace term "Loins" with "Rump", this nouns are similar.