breeder vs cultivator

breeder

noun
  • A person who breeds plants or animals (professionally). 

  • A person who has had or who is capable of having children; a person who is focussed on the rearing of their own children. 

  • A heterosexual; i.e. one whose sexual intercourse can lead to breeding. 

  • A pattern that exhibits quadratic growth by generating multiple copies of a secondary pattern, each of which then generates multiple copies of a tertiary pattern. 

cultivator

noun
  • A person who cultivates. 

  • Any of several devices used to loosen or stir the soil, either to remove weeds or to provide aeration and drainage. 

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