mauma vs trout

mauma

noun
  • A title of respect for an elderly woman 

  • mother 

trout

noun
  • An objectionable elderly woman. 

  • Any of several species of fish in Salmonidae, closely related to salmon, and distinguished by spawning more than once. 

verb
  • To (figuratively) slap someone with a slimy, stinky, wet trout; to admonish jocularly. 

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