matriarch vs meemaw

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 

meemaw

noun
  • Synonym of mamaw (“grandmother”) 

verb
  • To mouth words so that they can be heard over noise (or later so that they cannot be overheard), originally in the cotton industry of Lancashire. 

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