blotch vs monoprint

blotch

noun
  • Blotting paper. 

  • An irregularly shaped area. 

  • An uneven patch of color or discoloration. 

  • A bright or dark spot on old film caused by dirt and loss of the gelatin covering the film, due to age and poor film quality. 

  • A dark spot on the skin; a pustule. 

  • Any of various crop diseases that cause the plant to form spots. 

  • Imperfection; blemish on one’s reputation, stain. 

verb
  • To develop blotches, to become blotchy. 

  • To mark with blotches. 

monoprint

noun
  • A form of printing on paper from a glass sheet to which oil paint has been applied; monotype. 

verb
  • To print using this technique. 

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