Sweetbread and Variety meat

Sweetbread noun - Edible glands of an animal.

Variety meat and sweetbread are semantically related In some cases you can use "Variety meat" instead a noun "Sweetbread".

Variety meat noun - Edible viscera of a butchered animal.

Sweetbread and variety meat are semantically related in organ meat topic. You can use "Sweetbread" instead a noun phrase "Variety meat".