cardsharper vs stickup

cardsharper

noun
  • Synonym of cardsharp 

stickup

noun
  • A small-diameter tree branch or limb that extends out of the water in flooded or submerged timber, as in a lake or river. 

  • A robbery at gunpoint. 

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