incredulity vs wonderment

incredulity

noun
  • Unwillingness or inability to believe; doubt about the truth or verisimilitude of something; disbelief. 

  • Religious disbelief, lack of faith. 

wonderment

noun
  • A state, arousal, or thing describable by wonder, strange, awe, surprise, marvel, or astonishment. 

  • A puzzle or curiosity. 

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