insincerity vs misrepresentation

insincerity

noun
  • Property of being insincere, lacking sincerity or truthfulness. 

misrepresentation

noun
  • Erroneous or false representation; an unfair or dishonest account or exposition; a false statement: as, to injure one's character by misrepresentations. 

  • In map-making, faultiness in a map projection, estimated with regard to its unequal scale in different parts and to its distortion of angles. 

  • Incorrect or unfaithful representation in the capacity of agent or official representative, such as of a principal in a matter of business, or of constituents in legislation. 

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