concept vs spore

concept

noun
  • An abstract and general idea; an abstraction. 

  • A description of supported operations on a type, including their syntax and semantics. 

  • Understanding retained in the mind, from experience, reasoning and imagination; a generalization (generic, basic form), or abstraction (mental impression), of a particular set of instances or occurrences (specific, though different, recorded manifestations of the concept). 

verb
  • to conceive; to dream up 

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. 

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