dishwasher vs sewer

dishwasher

noun
  • Someone who washes dishes, especially one hired to wash dishes in a restaurant. 

  • A European bird, the wagtail. 

  • A machine for washing dishes. 

  • A bird, the restless flycatcher (Myiagra inquieta). 

sewer

noun
  • A servant attending at a meal who is responsible for seating arrangements, serving dishes, etc. 

  • A pipe or system of pipes used to remove human waste and to provide drainage. 

  • One who sews. 

  • A small tortricid moth, the larva of which sews together the edges of a leaf using silk. 

verb
  • To provide (a place) with a system of sewers. 

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