abluent vs detersive

abluent

noun

  • A detergent. 

adj

  • Washing away; carrying off impurities; detergent. 

detersive

noun

  • A cleansing agent; a detergent. 

adj

  • Having cleansing abilities 

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