casket vs wooden coat

casket

noun

  • A coffin. 

  • A gasket. 

  • An urn. 

  • A little box, e.g. for jewellery. 

verb

  • To put into, or preserve in, a casket. 

wooden coat

noun

  • Synonym of coffin. 

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