copious vs overabundant

copious

adj
  • Vast in quantity or number, profuse, abundant; taking place on a large scale. 

  • Full of thought, information, or matter; exuberant in words, expression, or style. 

  • Having an abundant supply. 

overabundant

adj
  • excessively abundant. 

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