basha vs boater

basha

noun
  • A makeshift shelter made from the above. 

  • A tarpaulin or plastic waterproof sheet. 

boater

noun
  • A straw hat, very stiff, with a flat brim and crown. 

  • Someone who travels by boat. 

  • One who works on a boat, especially as captain. 

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