Bug vs SEAT

Bug

noun

  • A Bugatti car. 

  • A Volkswagen Beetle car. 

name

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

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

SEAT

noun

  • An automobile from Sociedad Española de Automóviles de Turismo 

  • Single engine air tanker. 

name

  • Sociedad Española de Automóviles de Turismo, a Spanish automobile manufacturer. 

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