lilac vs pansy

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. 

pansy

adj
  • Of a deep purple colour, like that of the pansy. 

  • Wimpy; spineless; feeble. 

verb
  • To mess about; to fail to get things done. 

noun
  • A cultivated flowering plant, derived by hybridization within species Viola tricolor. 

  • Any of various nymphalid butterflies of the genus Junonia. 

  • A deep purple colour, like that of the pansy. 

  • A timid, weak man or boy; a wuss. 

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