hype vs overestimate

hype

noun
  • Promotion or propaganda; especially exaggerated claims. 

adj
  • Hyped; excited. 

  • Excellent, cool. 

verb
  • To promote heavily; to advertise or build up. 

overestimate

noun
  • An estimate that is too high. 

verb
  • To judge or calculate too highly. 

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