spikes vs trainer

spikes

noun
  • A pair of athletic shoes equipped with spikes on the sole and heel for better traction. 

  • Synonym of spike strip 

trainer

noun
  • A running shoe or sneaker. 

  • A person responsible for treating injuries sustained by players during matches; a physiotherapist. 

  • A person who trains another; a coach. 

  • A patch for a video game that applies cheats. 

  • A piece of indoor equipment allowing a bicycle to be ridden while stationary. 

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