fibrousness vs polyp

fibrousness

noun
  • The state or quality of being fibrous. 

polyp

noun
  • A cylindrical coelenterate, such as the hydra, having a mouth surrounded with tentacles. 

  • An abnormal growth protruding from a mucous membrane. 

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