unoriginal vs worthless person

unoriginal

noun
  • A person or work that does not exhibit originality. 

adj
  • Not being the first or earliest version of something, not original. 

  • Lacking originality. 

worthless person

noun
  • a person of no worth or value; a contemptibly insignificant person 

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