dishful vs trencher

dishful

noun
  • As much as a dish will hold. 

trencher

noun
  • A plate on which food is served and/or cut. 

  • A machine for digging trenches. 

  • One who trenches; especially, one who cuts or digs ditches. 

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