SEAT vs steamboat

SEAT

noun
  • Single engine air tanker. 

  • An automobile from Sociedad Española de Automóviles de Turismo 

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

steamboat

noun
  • A boat or vessel propelled by steam power. 

  • Hot pot (Chinese dish). 

verb
  • To travel by steamboat. 

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