affected vs unflappable

affected

noun
  • Someone affected, as by a disease. 

adj
  • Influenced or changed by something. 

  • Resulting from a mostly negative physical effect or transformation. 

  • Emotionally moved; touched. 

  • Simulated in order to impress. 

  • artificial, stilted 

unflappable

adj
  • Remaining composed and level-headed at all times; impossible to fluster; not becoming frustrated or irritated easily. 

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