nonemotional vs nonplussed

nonemotional

adj
  • Not emotional; unrelated to emotion. 

nonplussed

adj
  • Unaffected, unfazed; unimpressed. 

  • Unsure how to act or respond; bewildered, perplexed. 

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