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rye bread vs. pumpernickel

rye bread

noun

rye breads plural

  1. bread that is made either entirely or partly from rye flour, often with caraway seeds.

pumpernickel
[puhm-per-nik-uhl] / ˈpʌm pərˌnɪk əl /

noun

  1. a coarse, dark, slightly sour bread made of unbolted rye.