Boling vs Lunu

Boling

name
  • A former region of early imperial China in present-day Hebei. 

  • A former commandery of medieval China in present-day Hebei. 

  • The various seats of the commandery: present-day Raoyang, Anping, and Dingzhou in Hebei. 

  • A surname. 

  • A former princely title of imperial China. 

Lunu

name
  • Synonym of Dingzhou. 

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