hey vs o

hey

noun
  • A choreographic figure in which three or more dancers weave between one another, passing by left and right shoulder alternately. 

intj
  • Used as a tag question, to emphasise what goes before or to request that the listener express an opinion about what has been said. 

  • A meaningless beat marker or extra, filler syllable in song lyrics. 

  • An expression of surprise. 

  • An exclamation to get attention. 

  • A request for repetition or explanation; an expression of confusion. 

  • A protest or reprimand. 

  • An informal greeting, similar to hi. 

o

adj
  • Over 

character
  • The fifteenth letter of the English alphabet, called o and written in the Latin script. 

noun
  • A zero (used in reading out numbers). 

  • Operator 

  • The name of the Latin-script letter O/o. 

  • Object, see SVO 

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