rut vs trackbed

rut

noun
  • A furrow, groove, or track worn in the ground, as from the passage of many wheels along a road. 

  • The noise made by deer during sexual excitement. 

  • Sexual desire or oestrus of cattle, and various other mammals. 

  • Roaring, as of waves breaking upon the shore; rote. 

  • A fixed routine, procedure, line of conduct, thought or feeling. 

  • In omegaverse fiction, the intense biological urge of an alpha to mate, typically triggered by proximity to an omega in heat. 

  • A dull routine. 

verb
  • To be in the annual rut or mating season. 

  • To have sexual intercourse. 

  • To have sexual intercourse with. 

  • To make a furrow. 

trackbed

noun
  • The layer of gravel or other foundation on which a railway track is laid. 

  • The land on which a railway (especially one that has been closed or dismantled) was built; the roadbed for a railroad. 

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