live-forever vs orpine

live-forever

orpine

noun
  • A yellow pigment of various degrees of intensity, sometimes approaching red. 

  • Any of several temperate succulent plants of the family Crassulaceae, that have clusters of purple flowers, especially Hylotelephium telephium. 

How often have the words live-forever and orpine occurred in a corpus of books? (source: Google Ngram Viewer )