Two "breads" you don’t want to order by mistake:

Sweetbreads – light, firm meat from the thymus gland or pancreas of beef, pork, and lamb. According to WhatsCookingAmerica.net, veal sweetbreads are the best.

Laverbread – a gelatinous, black Welsh "delicacy" made of oatmeal and seaweed. According to Laverbread.org, it accompanies bacon and eggs to make a traditional Welsh breakfast.