copse vs frutex

copse

noun
  • Any thicket of small trees or shrubs, coppiced or not. 

  • A coppice: an area of woodland managed by coppicing (periodic cutting near stump level). 

  • Any woodland or woodlot. 

verb
  • To trim or cut. 

  • To plant and preserve. 

frutex

noun
  • A plant with a woody, durable stem, but less than a tree; a shrub. 

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