unoccupied vs workshy

unoccupied

adj
  • Not employed on a task; idle 

  • Not occupied by foreign troops etc 

  • Not being used; vacant or free 

  • Not inhabited, especially by a tenant 

workshy

adj
  • Disinclined to work; lazy. 

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