bluehair vs mauma

bluehair

noun
  • An elderly person, especially a woman or one viewed as senile, old-fashioned, or out-of-touch. 

  • A young or naive supporter of social-justice causes. 

mauma

noun
  • A title of respect for an elderly woman 

  • mother 

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