macula vs splatch

macula

noun
  • A rather large spot or blotch of color. 

  • An oval yellow spot near the center of the retina of the human eye, histologically defined as having two or more layers of ganglion cells, responsible for detailed central vision. 

  • In planetary geology, an unusually dark area on the surface of a planet or moon. 

  • A small chamber of the inner ear of certain vertebrates filled with endolymph and containing an otolith. 

  • A spot, as on the skin, or on the surface of the sun or of some other luminous orb. 

splatch

noun
  • A blot or splash. 

verb
  • To move in a manner that causes splashing or spreading of material. 

  • To manipulate roughly or crudely. 

  • To mark with a splatch. 

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