busk vs thwart

busk

noun
  • A strip of metal, whalebone, wood, or other material, worn in the front of a corset to stiffen it. 

  • A corset. 

verb
  • To solicit money by entertaining the public in the street or in public transport. 

  • To tack, cruise about. 

thwart

noun
  • A brace, perpendicular to the keel, that helps maintain the beam (“breadth”) of a marine vessel against external water pressure and that may serve to support the rail. 

  • A seat across a boat on which a rower may sit. 

  • An act of thwarting; something which thwarts; a hindrance, an obstacle. 

adj
  • Placed or situated across something else; cross, oblique, transverse. 

verb
  • To cause to fail; to frustrate, to prevent. 

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