scrupulous vs thoughtless

scrupulous

adj
  • Having scruples or compunctions. 

  • Wrongly feeling guilt or anxiety about one’s morality; suffering from scrupulosity. 

  • Precise; exact or strict. 

  • Exactly and carefully conducted. 

thoughtless

adj
  • Inconsiderate, inattentive. 

  • Lacking thought or consideration. 

  • Marked by or showing lack of due thought or care; careless. 

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