cha vs ya

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 

ya

noun
  • A letter of the Cyrillic alphabet: Я, я. 

intj
  • Go. (Spoken to horses and cattle.) 

  • Yeah; yes. 

adv
  • yea; yes 

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