dung vs muck

dung

verb
  • To release dung: to defecate. 

  • To immerse or steep, as calico, in a bath of hot water containing cow dung, done to remove the superfluous mordant. 

  • To discard (especially rubbish); to chuck out. 

  • To fertilize with dung. 

noun
  • Manure; animal excrement. 

  • A type of manure, as from a particular species or type of animal. 

muck

verb
  • To manure with muck. 

  • To shovel muck. 

  • To vomit. 

  • To do a dirty job. 

  • To pass, to fold without showing one's cards, often done when a better hand has already been revealed. 

noun
  • Heroin. 

  • Semen. 

  • Soft (or slimy) manure. 

  • The pile of discarded cards. 

  • Anything filthy or vile. Dirt; something that makes another thing dirty. 

  • Grub, slop, swill 

  • Slimy mud, sludge. 

How often have the words dung and muck occurred in a corpus of books? (source: Google Ngram Viewer )