cancroid vs excrescence

cancroid

noun
  • Any disease that resembles cancer 

  • Squamous cell carcinoma 

adj
  • Of or pertaining to cancer, especially to squamous cell carcinoma 

  • Resembling a crab 

excrescence

noun
  • Something, usually abnormal, which grows out of something else. 

  • The epenthesis of a consonant, e.g., warmth as [ˈwɔrmpθ] (adding a [p] between [m] and [θ]), or -t (Etymology 2). 

  • A disfiguring or unwanted mark or adjunct. 

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