lubricious vs unguinous

lubricious

adj
  • Lewd, wanton, salacious or lecherous. 

  • Smooth and glassy; slippery. 

unguinous

adj
  • Consisting of, or resembling, fat or oil; unctuous; oleaginous. 

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