menacing vs railroading

menacing

noun
  • The act of making menaces or threats. 

adj
  • Synonym of threatening in its various senses. 

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 menacing and railroading occurred in a corpus of books? (source: Google Ngram Viewer )