amused vs quizzical

amused

adj
  • Enjoying humor aspects (of something). 

  • Displaying amusement. 

  • Pleasurably entertained. 

quizzical

adj
  • Jocose; humorous. 

  • Questioning or suggesting puzzlement. 

  • Strange or eccentric. 

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