assured vs avoidable

assured

noun
  • An insured person. 

adj
  • Guaranteed; secure. 

  • Self-confident; self-assured; sure. 

avoidable

noun
  • Something that can or should be avoided. 

adj
  • Capable of being vacated; liable to be annulled or made invalid; voidable. 

  • Capable of being avoided, shunned, or escaped. 

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