hydrofoil vs scupper

hydrofoil

noun
  • A wing attached to the hull of a ship that raises it out of the water when travelling at speed and thus reduces drag. 

  • A vessel equipped with such a device. 

verb
  • To operate or use or ride atop a hydrofoil wing on a hull so equipped. 

scupper

noun
  • A drainage hole on the deck of a ship. 

  • A similar opening in a wall or parapet that allows water to drain from a roof. 

verb
  • Thwart or destroy, especially something belonging or pertaining to another. 

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