bark vs life raft

bark

noun
  • A sailing vessel or boat of any kind. 

  • The crust formed on barbecued meat that has had a rub applied to it. 

  • The exterior covering of the trunk and branches of a tree. 

  • Peruvian bark or Jesuit's bark, the bark of the cinchona from which quinine is produced. 

  • A vessel, typically with three (or more) masts, with the foremasts (or fore- and mainmasts) square-rigged, and mizzenmast schooner-rigged. 

  • The short, loud, explosive sound uttered by a dog, a fox, and some other animals. 

  • An abrupt loud vocal utterance. 

  • The envelopment or outer covering of anything. 

  • Hard candy made in flat sheets, for instance out of chocolate, peanut butter, toffee or peppermint. 

verb
  • To make a clamor; to make importunate outcries. 

  • To speak sharply. 

  • To make a short, loud, explosive noise with the vocal organs (said of animals, especially dogs). 

  • To abrade or rub off any outer covering from. 

  • To strip the bark from; to peel. 

  • To cover or inclose with bark, or as with bark. 

  • To girdle. 

life raft

noun
  • A usually inflatable raft carried aboard a ship or airplane, used to save lives in case the vessel has to be abandoned in an emergency on the sea. 

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