pull someone's leg vs razz

pull someone's leg

verb
  • To tease someone; to lead someone on; to goad someone into overreacting. It usually implies teasing or goading by jokingly lying. 

razz

verb
  • To tease playfully; to heckle. 

  • To heckle by blowing a raspberry. 

  • To drive an automobile around. 

noun
  • A version of seven card stud where the worst poker hand wins (called lowball). 

How often have the words pull someone's leg and razz occurred in a corpus of books? (source: Google Ngram Viewer )