out on a limb vs touchy

out on a limb

phrase
  • In a risky, precarious, daring, or uncompromising position, especially one outside of the mainstream; vulnerable. 

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 out on a limb and touchy occurred in a corpus of books? (source: Google Ngram Viewer )