flaunting vs ostentation

flaunting

noun
  • The act by which something is flaunted. 

adj
  • That flaunts; showy or gaudy 

ostentation

noun
  • Ambitious display; vain show; display intended to excite admiration or applause. 

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