pylon vs utility pole

pylon

noun
  • A tower-like structure, usually one of a series, used to support high-voltage electricity cables. 

  • An orange marker designating one of the four corners of the end zone in American football. 

  • An obelisk. 

  • A traffic cone. 

  • A rigid prosthesis for the lower leg. 

  • A starting derrick for an aeroplane. 

  • A lighting mast; a freestanding support for floodlights. 

  • A structure used to mount engines, missiles etc., to the underside of an aircraft wing or fuselage. 

  • A post, tower, etc. as on an aerodrome, or flying ground, serving to bound or mark a prescribed course of flight. 

  • A gateway to the inner part of an Ancient Egyptian temple. 

  • A tall steel or concrete tower from which cables are strung. 

utility pole

noun
  • A tall cylinder, often made from the trunk of a tree, usually topped by a cross beam, used by a public utility to carry wire, cable or conduit through the air, for the transportation of electricity, cable television, telephone or similar services. 

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