blindside vs roundhouse

blindside

noun
  • A tram/train driver's field of blindness around a tram (trolley/streetcar) or a train; the side areas behind the tram/train driver. 

  • The blindside flanker, a position in rugby union, usually number 6. 

  • A person's weak point. 

  • The space on the side of the pitch with the shorter distance between the breakdown/set piece and the touchline; compare openside. 

  • A driver's field of blindness around an automobile; the side areas behind the driver. 

verb
  • To attack (a person) on his or her blind side. 

  • To catch off guard; to take by surprise. 

roundhouse

noun
  • A circular building in which locomotives are housed. 

  • A circular prison, especially a small local lockup or station house. 

  • A prehistoric dwelling typical of northwest Europe in the Iron Age and Bronze Age. 

  • The uppermost room or cabin of any note upon the stern of a ship. 

  • A privy near the bow of a vessel, especially as reserved for officers. 

  • A punch or kick delivered with an exaggerated sweeping movement. 

  • In the game of pinochle, a meld consisting of a queen and king in each of the four suits. 

verb
  • To punch or kick with an exaggerated sweeping movement. 

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