crud vs muck

crud

verb
  • To clog with dirt or debris. 

noun
  • A fast-paced game, loosely based on billiards or pool, with many players participating at the same time. 

  • Mixed impurities, especially wear and corrosion products in nuclear reactor coolant. 

  • Something of poor quality. 

  • A heavy wet snow on which it is difficult to travel. 

  • Venereal disease, or (by extension) any disease. 

  • A contemptible person. 

  • Dirt, filth or refuse. 

  • Feces; excrement. 

intj
  • Non-vulgar interjection expressing annoyance, anxiety, etc.; sugar, damn. 

muck

verb
  • To shovel muck. 

  • To manure with 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 crud and muck occurred in a corpus of books? (source: Google Ngram Viewer )