canopy vs pleach

canopy

noun
  • The zone of the highest foliage and branches of a forest. 

  • A high cover providing shelter, such as a cloth supported above an object, particularly over a bed. 

  • Any overhanging or projecting roof structure, typically over entrances or doors. 

  • In an airplane, the transparent cockpit cover. 

  • In a parachute, the cloth that fills with air and thus limits the falling speed. 

verb
  • To cover with or as if with a canopy. 

  • To go through the canopy of a forest on a zipline. 

pleach

noun
  • A branch of a shrub, tree, etc., used for pleaching; a pleacher. 

  • An act or result of interweaving; specifically, (horticulture) a hedge or lattice created by interweaving the branches of shrubs, trees, etc. 

  • A notch cut into a branch so that it can be bent when pleaching is carried out. 

verb
  • To unite by interweaving, as (horticulture) branches of shrubs, trees, etc., to create a hedge; to interlock, to plash. 

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