intimate vs sweetie

intimate

noun
  • A very close friend. 

  • Women's underwear, sleepwear, or lingerie, especially offered for sale in a store. 

adj
  • Pertaining to details that require great familiarity to know. 

  • Closely acquainted; familiar. 

  • Very finely mixed. 

  • Of or involved in a sexual relationship. 

  • Personal; private. 

verb
  • To suggest or disclose (something) discreetly. 

  • To notify. 

sweetie

noun
  • A person who is much loved. 

  • A fruit that is a crossbreed between a grapefruit and a pomelo, originating in Israel. 

  • A sweet; a candy. 

  • A sweetheart. 

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