frutex vs shrubbery

frutex

noun
  • A plant with a woody, durable stem, but less than a tree; a shrub. 

shrubbery

noun
  • Shrubs collectively. 

  • A planting of shrubs; a wide border to a garden where shrubs are thickly planted; or a similar larger area with a path winding through it. 

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