cantilever vs protrude

cantilever

verb
  • To project (something) in the manner of or by means of a cantilever. 

noun
  • A beam anchored at one end and projecting into space, such as a long bracket projecting from a wall to support a balcony. 

  • A beam anchored at one end and used as a lever within a microelectromechanical system. 

  • A technique, similar to the spread eagle, in which the skater travels along a deep edge with knees bent and bends their back backwards, parallel to the ice. 

protrude

verb
  • To thrust out, as through a narrow orifice or from confinement; to cause to come forth. 

  • To extend from, above or beyond a surface or boundary; to bulge outward; to stick out. 

  • To cause to extend from a surface or boundary; to cause to stick out. 

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