godmother vs natter

godmother

verb
  • To act as godmother to. 

noun
  • A woman present at the christening of a baby who promises to help raise the child in a Christian manner; a female godparent who sponsors the baptism of a child. 

natter

verb
  • To nag. 

  • To talk casually; to discuss unimportant matters. 

noun
  • Mindless and irrelevant chatter. 

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