pressurization vs railroading

pressurization

noun
  • The act or process of increasing pressure within a volume of space. 

railroading

noun
  • The class of people, equipment, terminology, and lore pertaining to railroads. 

  • The operation of a railroad. 

  • A procedure conducted in haste without due consideration. 

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