afternoon tea vs cha

afternoon tea

noun
  • A formal afternoon meal comprising light snacks, accompanied by tea. 

  • A small meal or snack eaten between lunch and dinner (supper); a period of time set aside for this purpose, taken as a break from work or from a conference. 

cha

noun
  • tea, sometimes (dialect) specifically masala chai 

  • Synonym of Korean foot: a traditional unit of length equivalent to about 30.3 cm. 

pron
  • You. 

particle
  • Used to count out steps, particularly involving the hip-shaking sections of rhythmic Latin dances 

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