coddle vs plaw

coddle

verb
  • To cook slowly in hot water that is below the boiling point. 

  • To exercise excessive or damaging authority in an attempt to protect. To overprotect. 

  • To treat gently or with great care. 

noun
  • An Irish dish comprising layers of roughly sliced pork sausages and bacon rashers with sliced potatoes and onions. 

plaw

verb
  • To boil; boil slightly; parboil. 

  • To boil; seethe. 

noun
  • A boiling. 

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