ballyhoo vs promotion

ballyhoo

noun
  • Sensational or clamorous advertising or publicity. 

  • An unseaworthy or slovenly ship. 

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

  • Hemiramphus brasiliensis 

  • Noisy shouting or uproar. 

verb
  • To sensationalise or make grand claims. 

promotion

noun
  • An event intended to increase the reach or image of a product or brand. 

  • Transformation of a pawn into a piece (by reaching the opponent's back rank). 

  • Dissemination of information in order to increase its popularity. 

  • Forward motion. (Contrast remotion.) 

  • An advancement in rank or position. 

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