assured vs equivocal

assured

noun
  • An insured person. 

adj
  • Guaranteed; secure. 

  • Self-confident; self-assured; sure. 

equivocal

adj
  • Having two or more equally applicable meanings; capable of double or multiple interpretation. 

  • Capable of being ascribed to different motives, or of signifying opposite feelings, purposes, or characters; deserving to be suspected. 

  • Uncertain, as an indication or sign. 

noun
  • A word or expression capable of different meanings; an ambiguous term. 

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