phony vs sincere

phony

adj
  • Fraudulent; fake; having a misleading appearance. 

noun
  • A person who professes beliefs or opinions that they do not hold. 

  • Anything fraudulent or fake. 

  • A person who assumes an identity or quality other than their own. 

verb
  • To fake. 

sincere

adj
  • Genuine; meaning what one says or does; heartfelt. 

  • Meant truly or earnestly. 

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