Bug vs Ogre

Bug

name
  • A river flowing northwest 450 miles between Belarus and Poland. 

  • A river in Ukraine (Southern Bug), flowing 530 miles to the Dnieper estuary. 

noun
  • A Bugatti car. 

  • A Volkswagen Beetle car. 

Ogre

name
  • A town in central Latvia 

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