amorous vs lovesick

amorous

adj
  • Indicating love or sexual desire. 

  • Inclined or having a propensity to love, or to sexual enjoyment. 

  • Of or relating to, or produced by, love. 

lovesick

adj
  • Having an aching desire for one's beloved. 

  • Behaving oddly, or as though in distress, due to being overcome by feelings of love. 

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