cylinder vs guts

cylinder

noun
  • An early form of phonograph recording, made on a wax cylinder. 

  • A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve. 

  • Any object in the form of a circular cylinder. 

  • The part of a revolver that contains chambers for the cartridges. 

  • A container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder. 

  • A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine. 

  • The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity. 

  • The space in which a piston travels inside a reciprocating engine or pump. 

  • A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder. 

verb
  • To calender; to press (paper, etc.) between rollers to make it glossy. 

guts

noun
  • Content, substance. 

  • The center of the field. 

  • Courage; determination. 

  • One's innermost feelings. 

  • The entrails or contents of the abdomen. 

  • The essential, core parts. 

  • The ring in the gambling game two-up in which the spinner operates; the centre. 

verb
  • To show determination or courage (especially in the combination guts out). 

  • To eat greedily. 

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