bergamot vs grapefruit

bergamot

noun
  • A tree of the orange family (Citrus × limon, syn. Citrus bergamia), having a roundish or pear-shaped fruit, from the rind of which an essential oil of delicious odor is extracted, much prized as a perfume. 

  • The essence or perfume made from the fruit. 

  • Monarda didyma, also known as American bergamot or bee balm. 

  • Mentha × piperita, nothosubspecies citrata, more commonly known as bergamot mint 

  • A variety of pear. 

  • A variety of snuff perfumed with bergamot. 

  • The fruit from the bergamot tree 

  • A coarse tapestry, manufactured from flock of cotton or hemp, mixed with ox's or goat's hair. 

grapefruit

noun
  • The tree of the species Citrus paradisi, a hybrid of pomelo (Citrus maxima) and sweet orange. 

  • The large spherical tart fruit produced by this tree. 

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