manji vs qin

manji

noun
  • A left-facing Japanese swastika, primarily used in Buddhism. 

  • A captain or skipper of a boat. 

  • A type of raised bed similar to a cot from South Asia. 

  • A Sikh religious administrative unit. 

qin

noun
  • Any of several traditional Chinese musical instruments, most commonly the seven-stringed instrument more specifically called the guqin. 

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