body hair vs tomentum

body hair

noun
  • An individual strand of such hair. 

  • Hair of the body; in particular, androgenic hair, to the exclusion of facial hair and the hair atop one's head. 

tomentum

noun
  • A covering of fine, soft hairs; a pubescence. 

  • A mass of filamentous hairs on the leaf of a plant. 

  • A network of fine blood vessels between the pia mater and the cerebral cortex. 

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