disk vs trolley

disk

noun
  • Something resembling a disk. 

  • A disc - either a CD-ROM, an audio CD, a DVD or similar removable storage medium. 

  • A ring- or cup-shaped enlargement of the flower receptacle or ovary that bears nectar or, less commonly, the stamens. 

  • A type of harrow. 

  • A thin, flat, circular plate or similar object. 

  • An intervertebral disc 

verb
  • To harrow. 

  • To move towards, or operate at, zero blade pitch, orienting the propeller blades face-on to the oncoming airstream and maximising the drag generated by the propeller. 

trolley

noun
  • A hand truck. 

  • A streetcar or light train. 

  • A truck from which the load is suspended in some kinds of cranes. 

  • A soapbox car. 

  • A trolley pole; a single-pole device for collecting electrical current from an overhead electrical line, normally for a tram/streetcar or a trolleybus. 

  • A truck which travels along the fixed conductors in an electric railway, and forms a means of connection between them and a railway car. 

  • A light rail, tramway, trolleybus or streetcar system. 

  • A gurney, a stretcher with wheeled legs. 

  • A handcar. 

  • A cart or shopping cart; a shopping trolley. 

verb
  • To bring to by trolley. 

  • To travel by trolley (streetcar, trolleybus or light train). 

  • To use a trolley vehicle to go from one place to another. 

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