blow down vs wrack

blow down

verb
  • Synonym of dirty down 

  • To knock over with an air current, most often wind. 

wrack

verb
  • To wreck, especially a ship. 

  • To execute vengeance; avenge. 

  • To worry; tease; torment. 

noun
  • Any marine vegetation cast up on shore, especially seaweed of the family Fucaceae. 

  • The remains; a wreck. 

  • A high flying cloud; a rack. 

  • Weeds, vegetation or rubbish floating on a river or pond. 

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