lumberjack vs shipwright

lumberjack

noun
  • A lumberjacket. 

  • A person whose work is to fell trees. 

verb
  • To work as a lumberjack, cutting down trees. 

shipwright

noun
  • A person who designs, builds and repairs ships, especially wooden ones. 

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