contact vs doorbell

contact

verb
  • To establish communication with something or someone. 

  • To touch; to come into physical contact with. 

noun
  • 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. 

  • A device designed for repetitive connections. 

  • Contact juggling. 

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

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

doorbell

verb
  • To ring many doorbells of (target people or an area) in an effort to contact people and thereby spread information or solicit. 

  • To ring many doorbells in an effort to contact people and thereby spread information or solicit. 

noun
  • A device on or adjacent to an outer door for announcing one's presence. It can be mechanical, directly sounding a bell, or a button that electrically sounds a chime or buzzer inside the building. 

  • A button that activates an electric doorbell. 

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