cud vs gum

cud

verb
  • To bring back into the mouth and chew a second time. 

noun
  • The portion of food which is brought back into the mouth by ruminating animals from their first stomach, to be chewed a second time. 

gum

verb
  • To chew, especially of a toothless person or animal. 

  • To impair the functioning of a thing or process. 

  • To apply an adhesive or gum to; to make sticky by applying a sticky substance to. 

  • To deepen and enlarge the spaces between the teeth of (a worn saw), as with a gummer. 

  • To stiffen with glue or gum. 

  • To inelegantly attach into a sequence. 

noun
  • Any of various viscous or sticky substances that are exuded by certain plants. 

  • Any viscous or sticky substance resembling those that are exuded by certain plants. 

  • A hive made of a section of a hollow gum tree; hence, any roughly made hive. 

  • A single piece of chewing gum. 

  • A vessel or bin made from a hollow log. 

  • A gummi candy. 

  • A rubber overshoe. 

  • Chewing gum. 

  • A gum tree. 

  • The flesh around the teeth. 

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