amma vs maw

amma

noun

  • mother 

  • An abbess or spiritual mother, especially one of the Desert Mothers. 

maw

noun

  • Mother. 

  • Any large, insatiable or perilous opening. 

  • Appetite; inclination. 

  • The mouth. 

  • A gull. 

  • The upper digestive tract (where food enters the body), especially the mouth and jaws of a fearsome and ravenous creature. 

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