dishes vs dishwasher

dishes

noun
  • Dishwashing 

dishwasher

noun
  • A machine for washing dishes. 

  • A European bird, the wagtail. 

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

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

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