loaf vs slumber

loaf

verb
  • To do nothing, to be idle. 

  • To headbutt (from loaf of bread) 

  • To be in catloaf position (for cats or other animals) 

noun
  • A block of bread after baking. 

  • Any solid block of food, such as meat or sugar. 

  • A solid block of soap, from which standard bar soap is cut. 

  • Shortened from "loaf of bread", the brain or the head (mainly in the phrase use one's loaf). 

slumber

verb
  • To be inactive or negligent. 

  • To be in a very light state of sleep, almost awake. 

noun
  • A state of ignorance or inaction. 

  • The snooze button on an alarm clock. 

  • A very light state of sleep, almost awake. 

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