guarded vs touchy

guarded

adj
  • Cautious; restrained. 

  • Watched over; supervised. 

  • When the practitioner formulating the opinion does not have enough information to know, or to foretell, what the outcome may be. 

touchy

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

  • Easily offended, oversensitive. 

  • Inclined to engage in physical touch. 

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