contact vs wall plug

contact

noun
  • A device designed for repetitive connections. 

  • The act of touching physically; being in close association. 

  • The situation of being within sight of something; visual contact. 

  • The establishment of communication (with). 

  • A contact lens. 

  • The plane between two adjacent bodies of dissimilar rock. 

  • Contact juggling. 

  • A nodule designed to connect a device with something else. 

  • Someone who can be contacted, or with whom one is in communication. 

verb
  • To establish communication with something or someone. 

  • To touch; to come into physical contact with. 

wall plug

noun
  • An electric socket. 

  • A fixing that allows screws to be fitted into masonry walls, a dowel or screw anchor. 

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