antenna vs headphone

antenna

noun
  • A feeler organ on the head of an insect, crab, or other animal. 

  • An apparatus to receive or transmit electromagnetic waves and convert respectively to or from an electrical signal. 

  • The faculty of intuitive astuteness. 

  • The spar to which a lateen sail is attached, which is then hoisted up the mast. 

  • A fragment of an oligosaccharide 

headphone

noun
  • A cushioned speaker placed on, over, or inside the ear, normally used in left/right pairs. 

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