disinfectant vs washing-up liquid

disinfectant

noun
  • A substance that kills germs and/or viruses. 

adj
  • Serving to kill germs or viruses. 

washing-up liquid

noun
  • A form of liquid soap used to wash dishes by hand. 

How often have the words disinfectant and washing-up liquid occurred in a corpus of books? (source: Google Ngram Viewer )