Black bread is also known as rye bread, a type of bread made from rye flour. It is also called pumpernickel bread, a dark and dense bread made from whole-grain rye. Other synonyms for black bread include sourdough bread, a bread made using naturally occurring yeast which gives it a tangy taste, and artisan bread, a bread that is handcrafted by a skilled baker. Additionally, black bread can be referred to as German bread, as it is a staple in German cuisine. It is also called Nordic bread, as it is popular in Nordic countries like Finland, Norway, and Sweden. Overall, black bread has different names depending on the place of origin and the ingredients used in making it.