leister vs setting pole

leister

noun
  • A spear armed with three or more barbed prongs for catching fish, particularly salmon. 

verb
  • To catch or spear (fish) with a leister. 

setting pole

noun
  • A pole, often iron-pointed, used for pushing boats along in shallow water. 

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