crankshaft vs trundle

crankshaft

noun
  • A rotating shaft that drives (or is driven by) a crank. 

verb
  • To deform in such a manner that part of the rod or bolt is displaced sideways, offset from the longitudinal axis of the part, but remains parallel with the part's main longitudinal axis, with the final shape somewhat resembling a crankshaft. 

trundle

noun
  • A motion as of something moving upon little wheels or rollers; a rolling motion. 

  • A low bed on wheels that can be rolled underneath another bed. 

  • The sound made by an object being moved on wheels. 

  • A spool of golden thread. 

  • A lantern wheel, or one of its bars. 

verb
  • To move (something or someone), often heavily or clumsily. 

  • To transport (something or someone) using an object on wheels, especially one that is pushed. 

  • To roll or revolve; to roll along. 

  • To move heavily (on wheels). 

  • To cause (something) to roll or revolve; to roll (something) along. 

  • To wheel or roll (an object on wheels), especially by pushing, often slowly or heavily. 

  • To move, often heavily or clumsily. 

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