hybrid vs subspecies

hybrid

noun
  • Offspring resulting from cross-breeding different entities, e.g. two different species or two purebred parent strains. 

  • An electronic circuit constructed of individual devices bonded to a substrate or PCB. 

  • A hybrid vehicle (especially a car), one that runs on both fuel (gasoline/diesel) and electricity (battery or energy from the sun). 

  • A word whose elements are derived from different languages. 

  • A bicycle that is a compromise between a road bike and a mountain bike. 

  • A golf club that combines the characteristics of an iron and a wood. 

  • A computer that is part analog computer and part digital computer. 

adj
  • Consisting of diverse components. 

  • Running on both fuel (gasoline/diesel) and electricity (battery or energy from the sun). 

subspecies

noun
  • A subdivision of a species in other scientific disciplines. 

  • A taxon at that rank, often indicated with trinomial nomenclature (such as Felis silvestris silvestris in zoology and Pinus nigra subsp. salzmannii in botany). 

  • A rank in the classification of organisms, below species. 

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