cyst vs whitlow

cyst

noun
  • Of or pertaining to the urinary bladder or gall bladder (in compounds). 

  • A pouch or sac without opening, usually membranous and containing morbid matter, which develops in one of the natural cavities or in the substance of an organ. 

whitlow

noun
  • An infection under the cuticle of a fingernail or toenail. 

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