hyaline vs semiopaque

hyaline

adj
  • Glassy, transparent; amorphous. 

noun
  • The main constituent of the walls of hydatid cysts; a nitrogenous body, which, by decomposition, yields a dextrogyrate sugar, susceptible to alcoholic fermentation. 

  • Anything glassy, translucent or transparent; the sea or sky. 

  • A clear translucent substance in tissues. 

semiopaque

adj
  • Partially opaque. 

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