heliotrope vs stool

heliotrope

noun
  • A plant that turns so that it faces the sun. 

  • A light purple or violet colour. 

  • Particularly, a purple-flowered plant of the species Heliotropium arborescens. 

  • A bloodstone (a variety of quartz). 

  • An instrument, employed in triangulation, that uses a mirror to reflect sunlight toward another, very distant, surveyor. 

  • The fragrance of heliotrope flowers. 

adj
  • Light purple or violet. 

  • Keeping one’s face turned toward the sun. 

stool

noun
  • A plant from which layers are propagated by bending its branches into the soil. 

  • A footstool. 

  • A plant that has been cut down until its main stem is close to the ground, resembling a stool, to promote new growth. 

  • Feces, excrement. 

  • A seat for one person without a back or armrests. 

  • A throne. 

  • A production of feces or excrement, an act of defecation, stooling. 

  • A seat with a back; a chair. 

  • Material, such as oyster shells, spread on the sea bottom for oyster spat to adhere to. 

  • A small channel on the side of a vessel, for the deadeyes of the backstays. 

verb
  • To ramify; to tiller, as grain; to shoot out suckers. 

  • To produce stool: to defecate. 

  • To cut down (a plant) until its main stem is close to the ground, resembling a stool, to promote new growth. 

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