cup of coffee vs teacup

cup of coffee

noun
  • Used other than figuratively or idiomatically: see cup, coffee. 

  • One’s personal preference. 

  • The situation where a minor league player comes up to the major league team for a short period of time. 

teacup

noun
  • A small cup, usually with a handle, commonly used for drinking tea; normally sits in a saucer as part of a tea set. 

  • A unit of measure; a teacupful. 

adj
  • Of an animal, smaller than average. 

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