dishwasher vs diver

dishwasher

noun
  • A European bird, the wagtail. 

  • A machine for washing dishes. 

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

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

diver

noun
  • loon (bird) 

  • Someone who works underwater; a frogman. 

  • Someone who dives, especially as a sport. 

  • The New Zealand sand diver. 

  • A competitor in certain sports who is known to regularly imitate being fouled, with the purpose of getting his/her opponent penalised. 

  • The long-finned sand diver. 

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