matriarch vs sire

matriarch

noun
  • A female leader of a family, a tribe or an ethnic or religious group. 

  • A female founder of a political or religious movement, an organization or an enterprise. 

  • The dominant female in a family group of elephants 

sire

noun
  • A lord, master, or other person in authority, most commonly used vocatively: formerly in speaking to elders and superiors, later only when addressing a sovereign. 

  • A male animal that has fathered a particular offspring (especially used of domestic animals and/or in biological research). 

verb
  • to father; to beget. 

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