boo-boo vs spanker

boo-boo

noun
  • A minor injury, such as a cut or a bruise. 

  • Feces. 

  • A mistake or error. 

verb
  • To defecate. 

  • To make a mistake. 

spanker

noun
  • Someone who spanks. 

  • An instrument used to give someone a spanking or spank, such as a paddle. 

  • A fore-and-aft gaff-rigged sail on the aft-most mast of a square-rigged vessel. 

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