multeity vs variegation

multeity

noun
  • manifoldness; multiplicity; the quality of being many. 

variegation

noun
  • The state of being variegated; streaked, spotted. 

  • A variation in the colour of different zones of the same plant. 

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