Bam vs Ding

Bam

name
  • A county of Kerman Province, Iran. 

  • The capital city of Bam County, Kerman Province, Iran. 

Ding

name
  • A county of Republican China in Hebei Province. 

  • A surname. 

  • A prefecture of imperial China within present-day Hebei under the Northern Wei, Sui, and Tang dynasties, with its seat at Dingzhou. 

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