Hip and Loins

Hip noun - The quality or state of being fashionable.

Loins and hip are semantically related In some cases you can use "Loins" instead a noun "Hip".

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

Hip and loins are semantically related in upper legs topic. Sometimes you can use "Hip" instead a noun "Loins", if it concerns topics such as haunch of an animate being.