thick-skinned vs touchy

thick-skinned

adj
  • Insensitive to the feelings of others; callous. 

  • Having a thick skin. 

  • Not easily offended. 

touchy

adj
  • Easily offended, oversensitive. 

  • Extremely sensitive or volatile; easily disturbed to the point of becoming unstable; requiring caution or tactfulness. 

  • Inclined to engage in physical touch. 

How often have the words thick-skinned and touchy occurred in a corpus of books? (source: Google Ngram Viewer )