scruple vs suspicion

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. 

suspicion

verb
  • To suspect; to have suspicions. 

noun
  • Uncertainty, doubt. 

  • The imagining of something without evidence. 

  • The act of suspecting something or someone, especially of something wrong. 

  • A trace, or slight indication. 

  • The condition of being suspected. 

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