amused vs sardonic

amused

adj
  • Enjoying humor aspects (of something). 

  • Displaying amusement. 

  • Pleasurably entertained. 

sardonic

adj
  • Disdainfully or ironically humorous. 

  • Scornfully mocking or cynical. 

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