fir vs pinecone

fir

noun

  • Any pinaceous conifer of related genera, especially a Douglas fir (Pseudotsuga) or a Scots pine (Pinus sylvestris). 

  • A conifer of the genus Abies. 

  • Wood of such trees. 

pinecone

noun

  • A seed-bearing conical fruit of a pine tree. 

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