nevus vs splodge

nevus

noun
  • Any of a number of different, usually benign, pigmented, raised or otherwise abnormal lesions of the skin. 

splodge

noun
  • An irregular-shaped splash, smear, or patch. 

verb
  • To make a splodge; to render as a splodge. 

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