cud vs wad

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. 

wad

verb
  • To wager. 

  • To insert or force a wad into. 

  • To crumple or crush into a compact, amorphous shape or ball. 

  • To stuff or line with some soft substance, or wadding, like cotton. 

noun
  • A sandwich. 

  • An ejaculation of semen. 

  • Any black manganese oxide or hydroxide mineral rich rock in the oxidized zone of various ore deposits. 

  • Plumbago, graphite. 

  • A soft plug or seal, particularly as used between the powder and pellets in a shotgun cartridge, or earlier on the charge of a muzzleloader or cannon. 

  • An amorphous, compact mass. 

  • A substantial pile (normally of money). 

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