limited vs zillion

limited

adj
  • With certain (often specified) limits placed upon it. 

  • Restricted, small, few, not plentiful. 

noun
  • An express train that only halts at a limited number of stops. 

zillion

noun
  • An unspecified large number (of); a gazillion. 

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