detergent vs detersive

detergent

adj
  • Synonym of cleansing. 

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

detersive

adj
  • Having cleansing abilities 

noun
  • A cleansing agent; a detergent. 

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