Bug vs Save

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. 

Save

name
  • A river in southern France that flows about 143 km (89 mi) from the Pyrenees to the Garonne at Grenade. 

  • A river in southeastern Africa that flows about 400 km (250 mi) from south of Harare in Zimbabwe, through Mozambique, to the Indian Ocean. 

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