blabby vs grandiloquent

blabby

adj
  • Tending to blab or gossip a lot. 

grandiloquent

adj
  • Given to using language in a showy way by using an excessive number of difficult words to impress others; bombastic; turgid 

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