herald vs indicate

herald

verb
  • To proclaim or announce an event. 

  • To greet something with excitement; to hail. 

noun
  • A harbinger, giving signs of things to come. 

  • A handbill consisting of an advertisement. 

  • An official whose speciality is heraldry, especially one between the ranks of pursuivant and king-of-arms. 

  • A messenger, especially one bringing important news. 

  • A moth of the species Scoliopteryx libatrix. 

indicate

verb
  • To point out; to discover; to direct to a knowledge of; to show; to make known. 

  • To show or manifest by symptoms; to point to as the proper remedies. 

  • To signal in a vehicle the desire to turn right or left. 

  • To investigate the condition or power of, as of steam engine, by means of an indicator. 

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