ama vs mama

ama

noun
  • paternal grandmother; paternal grandma 

  • A traditional Japanese pearl diver, typically female. 

  • The float on the outrigger of a proa or trimaran. 

  • Fabric made from the hair of a camel or goat. 

  • A toxic byproduct of improper or incomplete digestion. 

  • term of address for one's paternal grandmother 

mama

noun
  • Mother, female parent. 

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