lamp vs radar

lamp

noun
  • A device that generates heat, light or other radiation. Especially an electric light bulb. 

  • A device containing oil, burnt through a wick for illumination; an oil lamp. 

  • A piece of furniture holding one or more electric light sockets. 

verb
  • To hunt at night using a lamp; see lamping. 

  • To make into a table lamp, said of a vase or urn, etc. 

  • To hang out or chill; to do nothing in particular. 

  • To hit, clout, belt, wallop. 

radar

noun
  • An installation of such a system or of the transmitting and receiving apparatus. 

  • A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of sent radio waves (usually microwaves) reflected from their surfaces 

  • A type of system using such a method, differentiated by platform, configuration, frequency, power, and other technical attributes. 

  • A superior ability to detect something. 

verb
  • To scan with radar, or as if with radar. 

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