hydroxylic acid vs macerate

hydroxylic acid

noun
  • One of several systematic acid names for water, H₂O. 

macerate

noun
  • A macerated substance. 

verb
  • To soften (something) or separate it into pieces by soaking it in a heated or unheated liquid. 

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