monkey nut vs peanut

monkey nut

noun
  • Synonym of peanut. 

peanut

noun
  • See peanuts (“very small amount”). 

  • A very small clam. 

  • A legume resembling a nut, the fruit of the plant Arachis hypogaea. 

verb
  • To pull on somebody's tie as a prank, causing the knot to tighten. 

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