detergent vs sterilizer

detergent

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

adj
  • Synonym of cleansing. 

sterilizer

noun
  • A device used to sterilize, killing pathogens by means such as heat, UV light, chemicals, etc. 

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