engorgement vs overfullness

engorgement

noun
  • The act of swallowing greedily. 

  • The process or the condition of becoming engorged, becoming over-filled with fluid. 

overfullness

noun
  • The state of being excessively or abnormally full. 

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