chum vs spar

chum

noun
  • A coarse mould for holding the clay while being worked on a whirler, lathe or manually. 

  • The chum salmon 

  • A mixture of (frequently rancid) fish parts and blood, dumped into the water as groundbait to attract predator fish, such as sharks 

verb
  • To cast chum into the water to attract fish. 

  • To accompany. 

  • To share rooms with someone; to live together. 

  • To lodge (somebody) with another person or people. 

  • To make friends; to socialize. 

spar

noun
  • A thick pole or piece of wood. 

  • Any crystal with readily discernible faces. 

  • A rafter of a roof. 

  • A beam-like structural member that supports ribs in an aircraft wing or other airfoil. 

  • A sparring session; a preliminary fight, as in boxing or cock-fighting. 

  • Any of various microcrystalline minerals, of light, translucent, or transparent appearance, which are easily cleft. 

  • Any linear object used as a mast, sprit, yard, boom, pole or gaff. 

verb
  • To contest in words; to wrangle. 

  • To supply or equip (a vessel) with spars. 

  • To fight, especially as practice for martial arts or hand-to-hand combat. 

  • To strike with the feet or spurs, as cocks do. 

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