carelessness vs forethought

carelessness

noun
  • Lack of care; the state or quality of being careless. 

forethought

noun
  • Anticipation. 

  • Provident care; prudence. 

  • Thinking beforehand or in advance, planning; prior or previous consideration; premeditation. 

adj
  • Thought of, or planned, beforehand. 

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