cypress vs pinus

cypress

noun
  • An evergreen coniferous tree with flattened shoots bearing small scale-like leaves, whose dark foliage is sometimes associated with mourning, in family Cupressaceae, especially the genera Cupressus and Chamaecyparis. 

pinus

noun
  • Any member of the genus Pinus; a pine. 

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