cleaning vs detergent

cleaning

noun
  • The process of making something clean. 

  • The afterbirth of cows, ewes, etc. 

detergent

noun
  • Any non-soap cleaning agent, especially a synthetic surfactant. 

adj
  • Synonym of cleansing. 

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