spore vs sprout

spore

verb
  • To produce spores. 

noun
  • A reproductive particle, usually a single cell, released by a fungus, alga, or plant that may germinate into another. 

  • A thick resistant particle produced by a bacterium or protist to survive in harsh or unfavorable conditions. 

sprout

verb
  • To cause to grow from a seed. 

  • To emerge from the ground as sprouts. 

  • To emerge haphazardly from a surface. 

  • To emerge or appear haphazardly 

  • To deprive of sprouts. 

  • To grow from seed; to germinate. 

noun
  • A child. 

  • A Brussels sprout. 

  • A bean sprout. 

  • A new growth on a plant, whether from seed or other parts. 

  • An edible germinated seed. 

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