estimation vs puppy love

estimation

noun
  • Esteem or favourable regard. 

  • The process of making an estimate. 

  • The amount, extent, position, size, or value reached in an estimate. 

puppy love

noun
  • A childish or youthful infatuation with another person. 

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