careful vs slogging

careful

adj
  • Conscientious and painstaking; meticulous. 

  • Taking care; attentive to potential danger, error or harm; cautious. 

slogging

noun
  • An act or an instance of slogging or working laboriously. 

  • A beating or thrashing. 

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