elective vs unworthy

elective

adj
  • Of, or pertaining to voting or elections; involving a choice between options. 

  • Open to choice; freely chosen. 

noun
  • Something that is an option or may be freely chosen, especially a course of study. 

unworthy

adj
  • Not worthy; lacking value or merit; worthless. 

noun
  • An inadequate person. 

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