unbeneficial vs utilitarian

unbeneficial

adj
  • Not beneficial. 

utilitarian

noun
  • Someone who practices or advocates utilitarianism. 

adj
  • practical and functional, present for use, not just for show. 

  • of or relating to utility 

  • pertaining to utilitarianism 

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