hear vs overhear

hear

verb
  • To perceive sounds through the ear. 

  • To exercise this faculty intentionally; to listen to. 

  • To sympathize with; to understand the feelings or opinion of. 

  • To study under. 

  • To listen favourably to; to grant (a request etc.). 

  • To perceive (a sound, or something producing a sound) with the ear, to recognize (something) in an auditory way. 

  • To receive information about; to come to learn of. 

  • To be contacted by. 

  • To listen to (a person, case) in a court of law; to try. 

intj
  • you hear me 

overhear

verb
  • To hear something that was not meant for one's ears. 

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