pyx vs tube

pyx

verb
  • To enclose (something) in a box or other container; specifically, to place (a deceased person's body) in a coffin; to coffin, to encoffin. 

  • To deposit (sample coins) in a pyx; (by extension) to test (such coins) for the fineness of metal and weight before a mint issues them to the public. 

noun
  • A box used in a mint as a place to deposit sample coins intended to have the fineness of their metal and their weight tested before the coins are issued to the public. 

  • A small, usually round container used to hold the host (“consecrated bread or wafer of the Eucharist”), especially when bringing communion to the sick or others unable to attend Mass. 

  • A (small) box; a casket, a coffret. 

tube

verb
  • To supply with, or enclose in, a tube. 

  • To intubate. 

  • To ride an inner tube. 

noun
  • Anything that is hollow and cylindrical in shape. 

  • The London Underground railway system, originally referred to the lower level lines that ran in tubular tunnels as opposed to the higher ones which ran in rectangular section tunnels. (Often the tube.) 

  • A television. Compare cathode ray tube and picture tube. 

  • A tin can containing beer. 

  • An approximately cylindrical container, usually with a crimped end and a screw top, used to contain and dispense semiliquid substances. 

  • An idiot. 

  • A wave which pitches forward when breaking, creating a hollow space inside. 

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