ballyhoo vs promo

ballyhoo

verb
  • To sensationalise or make grand claims. 

noun
  • An unseaworthy or slovenly ship. 

  • Sensational or clamorous advertising or publicity. 

  • Certain species in family Hemiramphidae, inshore, surface-dwelling needlefish forming sizeable schools. 

  • Hemiramphus brasiliensis 

  • Noisy shouting or uproar. 

promo

verb
  • To promote; to publicize. 

noun
  • an interview or monologue intended to promote a character or an upcoming match. 

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