selection vs subspecies

selection

noun
  • The stage of a genetic algorithm in which individual genomes are chosen from a population for later breeding. ᵂᵖ 

  • A variety of items taken from a larger collection. 

  • The free selection before survey of crown land in some Australian colonies under land legislation introduced in the 1860s. ᵂᵖ 

  • The ability of predicates to determine the semantic content of their arguments. ᵂᵖ 

  • A set of data obtained from a database using a query. 

  • A musical piece. 

  • Something selected. 

  • The process or act of selecting. 

  • A list of items on which user operations will take place. ᵂᵖ 

  • A unary operation that denotes a subset of a relation. 

subspecies

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

  • 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 subdivision of a species in other scientific disciplines. 

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