jo vs sug

jo

noun
  • Darling, sweetheart. 

  • The staff used in the Japanese martial art of jodo or jojutsu. 

sug

noun
  • sugar; sweetheart (as a term of endearment) 

verb
  • To market a product or service by means of purported market research. 

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