regard vs scruple

regard

verb
  • To have to do with, to concern. 

  • To look at; to observe. 

  • To consider, look upon (something) in a given way etc. 

  • To face toward. 

noun
  • A particular aspect or detail; respect, sense. 

  • The worth or estimation in which something or someone is held. 

  • A steady look, a gaze. 

  • Slang for retard, a very bad stock trader. 

  • One's concern for another; esteem; relation, reference. 

scruple

verb
  • To regard with suspicion; to question. 

  • To excite scruples in; to cause to scruple. 

  • To hesitate or be reluctant to act due to considerations of conscience or expedience. 

noun
  • Hesitation to act from the difficulty of determining what is right or expedient; doubt, hesitation or unwillingness due to motives of conscience. 

  • A weight of ¹⁄₂₈₈ of a pound, that is, twenty grains or one third of a dram, about 1.3 grams (symbol: ℈). 

  • A Hebrew unit of time equal to ¹⁄₁₀₈₀ hour. 

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