two cents vs understanding

two cents

noun
  • One's opinion or thoughts. 

  • A nearly worthless amount, alluding to placing a copper penny on each of the eyelids of a pauper's or slave's body before burial. 

understanding

noun
  • Opinion, judgement or outlook. 

  • An informal contract; mutual agreement. 

  • A reconciliation of differences. 

  • The act of one that understands or comprehends; comprehension; knowledge; discernment. 

  • Sympathy. 

  • Reason or intelligence, ability to grasp the full meaning of knowledge, ability to infer. 

adj
  • Showing compassion, tolerance, and forbearance. 

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