pine nut vs pinewood

pine nut

noun
  • The edible seed of any of several species of evergreen pine, especially Pinus pinea, Pinus cembra, and Pinus cembroides. 

  • The flavor that results from mixing pineapple and coconut. 

pinewood

noun
  • The wood of a pine 

  • A forest or grove of pine trees, either natural or as a plantation 

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