doorstep vs rung

doorstep

noun
  • An outside step leading up to the door of a building, usually a home. 

  • One's immediate neighbourhood or locality. 

  • A thick slice, especially of bread. 

verb
  • To visit one household after another to solicit sales, charitable donations, political support, etc. 

  • To corner somebody for an unexpected interview. 

rung

noun
  • A crosspiece forming a step of a ladder; a round. 

  • A position in a hierarchy. 

  • A crosspiece between legs of a chair. 

verb
  • simple past tense of ring 

adj
  • Of a pig: having a ring through the nose. 

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