nyami vs street name

nyami

noun
  • Synonym of name (yam) 

street name

noun
  • A person’s nickname, such as a gangster or mafia name. 

  • The slang term for a drug, as traded on the streets. 

  • Used other than figuratively or idiomatically: see street, name. 

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