muck vs slop

muck

noun
  • Slimy mud, sludge. 

  • 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 

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. 

slop

noun
  • See slops. 

  • Domestic liquid waste; household wastewater. 

  • A policeman. 

  • Water or other liquid carelessly spilled or thrown about, as upon a table or a floor; a puddle; a soiled spot. 

  • A rubber thong sandal. 

  • Inferior, weak drink or semi-liquid food. 

  • Semi-solid like substance; goo, paste, mud, pulp. 

  • Scraps used as food for animals, especially pigs or hogs. 

verb
  • To spill or dump liquid, especially over the edge of a container when it moves. 

  • To make one's way through soggy terrain. 

  • In the game of pool or snooker to pocket a ball by accident; in billiards, to make an ill-considered shot. 

  • To feed pigs. 

  • To spill liquid upon; to soil with a spilled liquid. 

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