submission vs widow's mite

submission

noun
  • The act of submitting or yielding; surrender. 

  • The act of submitting or giving e.g. a completed piece of work. 

  • A submission hold in wrestling, mixed martial arts, or other combat sports. 

  • The thing which has been submitted. 

  • A subset or component of a mission. 

widow's mite

noun
  • A very small gift or donation which, however, represents a great sacrifice on the part of the giver. 

  • The lepton coin. 

How often have the words submission and widow's mite occurred in a corpus of books? (source: Google Ngram Viewer )