hedging vs pleach

hedging

noun
  • Any plant used to form a hedge. 

  • The act of one who hedges (in various senses). 

  • The use of intentionally ambiguous or noncommittal statements. 

pleach

noun
  • 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. 

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

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 hedging and pleach occurred in a corpus of books? (source: Google Ngram Viewer )