bowser vs tub

bowser

noun
  • A fuel metering/delivery pump at a filling station. 

  • A buffoon or imbecile. 

  • A road vehicle (often a trailer) for the transport of liquid fuel, particularly aviation fuel at an airfield. 

  • A mobile water tank deployed to distribute fresh water in emergency situations where the normal system of piped distribution has broken down or is insufficient. 

tub

noun
  • A box or bucket in which coal or ore is sent up a shaft. 

  • A flat-bottomed vessel, of width similar to or greater than its height, used for storing or packing things, or for washing things in. 

  • A slow-moving craft. 

  • A bathtub. 

  • Any structure shaped like a tub, such as a certain old form of pulpit, a short broad boat, etc. 

  • A small cask. 

  • A corpulent or obese person. 

  • The contents or capacity of such a vessel. 

  • Any of various historically designated quantities of goods to be sold by the tub (butter, oysters, etc). 

verb
  • To bathe in a tub. 

  • To plant, set, or store in a tub. 

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