conscientious vs unmindful

conscientious

adj
  • Thorough, careful, or vigilant in one’s task performance. 

  • Influenced by conscience; governed by a strict regard to the dictates of conscience, or by the known or supposed rules of right and wrong (said of a person). 

unmindful

adj
  • Lacking awareness; oblivious. 

  • Failing to remember, recognize, or pay attention to something; heedless of. 

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