espalier vs reticulum

espalier

noun
  • A latticework used to shape or train the branches of a tree or shrub into a two-dimensional ornamental or useful design, as along a wall or fence. 

  • A plant that has been shaped in this manner. 

  • A row of plants that have been shaped in this manner. 

verb
  • To train a plant in this manner. 

reticulum

noun
  • A pattern of interconnected objects. 

  • A network. For example, the endoplasmic reticulum forms a network of cellular components that functions as a transportation system within the cell. 

  • The tripe made from the second compartment of the stomach of a cow (or other ruminant). 

  • The second compartment of the stomach of a cow or other ruminant. 

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