Bug vs Wight

Bug

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

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

noun
  • A Bugatti car. 

  • A Volkswagen Beetle car. 

Wight

name
  • A sea area comprising part of the English Channel, from the southern English coast down to Normandy 

  • A surname. 

  • The Isle of Wight. 

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