aqueous vs deliquescent

aqueous

adj
  • Consisting mostly of water. 

deliquescent

adj
  • Absorbing moisture from the air and forming a solution. 

  • Seeming to melt away. 

  • Branching so that the stem is lost in branches, as in most deciduous trees. 

  • Becoming liquid as a phase of its life cycle. 

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