espalier vs latticework

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. 

latticework

noun
  • A lattice or lattice-like structure; interlacing laths or strips. 

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