mater vs meemaw

mater

noun
  • Mother. 

  • A meninx; the dura mater, arachnoid mater, or pia mater of the brain. 

  • Someone or something that mates. 

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 mater and meemaw occurred in a corpus of books? (source: Google Ngram Viewer )