assured vs ticklish

assured

noun
  • An insured person. 

adj
  • Guaranteed; secure. 

  • Self-confident; self-assured; sure. 

ticklish

adj
  • Sensitive or susceptible to being tickled. 

  • Touchy, sensitive, or delicate. 

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