chair vs turn over

chair

verb
  • To carry in a seated position upon one's shoulders, especially in celebration or victory. 

  • To award a chair to (a winning poet) at a Welsh eisteddfod. 

  • To act as chairperson at; to preside over. 

noun
  • One of two possible conformers of cyclohexane rings (the other being boat), shaped roughly like a chair. 

  • A vehicle for one person; either a sedan borne upon poles, or a two-wheeled carriage drawn by one horse; a gig. 

  • An iron block used on railways to support the rails and secure them to the sleepers, and similar devices. 

  • A distinguished professorship at a university. 

  • The seat or office of a person in authority, such as a judge or bishop. 

  • An item of furniture used to sit on or in, comprising a seat, legs or wheels, back, and sometimes arm rests, for use by one person. Compare stool, couch, sofa, settee, loveseat and bench. 

  • The seating position of a particular musician in an orchestra. 

turn over

verb
  • To flip over; to rotate uppermost to bottom. 

  • To cause extensive disturbance or disruption to (a room, storage place, etc.), e.g. while searching for an item, or ransacking a property. 

  • Used other than figuratively or idiomatically: see turn, over. 

  • To generate (a certain amount of money from sales). 

  • To spin the crankshaft of an internal combustion engine using the starter or hand crank in an attempt to make it run. 

  • To mull, ponder 

  • To produce, complete, or cycle through. 

  • To transfer. 

  • To give up control (of the ball and thus the ability to score). 

  • To relinquish; give back. 

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