overabundant vs plethoric

overabundant

adj
  • excessively abundant. 

plethoric

adj
  • Excessive, overabundant, rife; loosely, abundant, varied. 

  • Suffering from plethora; ruddy in complexion, congested or swollen with blood. 

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