khan vs mogul

khan

noun
  • A noble or man of rank in various Muslim countries of Central Asia, including Afghanistan. 

  • A ruler over various Turkish, Tatar and Mongol peoples in the Middle Ages. 

  • A caravanserai; a resting-place for a travelling caravan. 

  • An Ottoman sultan. 

mogul

noun
  • A rich or powerful person; a magnate, nabob. 

  • A machine that forms shaped candies from syrups or gels. 

  • A larger-sized (39 mm diameter) screw base used for large, high-power light bulbs, known as mogul (screw) base light bulbs. 

  • A hump or bump on a skiing piste. 

verb
  • To ski over a course of humps or bumps. 

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