lilac vs mousy

lilac

adj
  • Having a pale purple colour. 

noun
  • A flower of the lilac shrub. 

  • A pale purple color, the color of some lilac flowers. 

  • A large shrub of the genus Syringa, especially Syringa vulgaris, bearing white, pale-pink, or purple flowers. 

mousy

adj
  • Of a greyish-brown colour. 

  • Abounding in or infested with mice. 

  • mousy 

  • Timid. 

  • Quiet; stealthy. 

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