cutie vs cutie pie

cutie

noun
  • A cute person or animal. 

  • Any small mandarin orange variety such as a tangerine or a satsuma. 

  • A clementine: a small, waxy-peeled orange hybrid cultivar that is easy to peel by hand. 

cutie pie

noun
  • A cute person. 

  • A small hand-held radiation meter. 

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