symbiotic vs utilitarian

symbiotic

adj
  • Of, or relating to symbiosis; living together. 

  • Of a relationship with mutual benefit between two individuals or organisms. 

noun
  • symbiotic star 

utilitarian

adj
  • pertaining to utilitarianism 

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

  • of or relating to utility 

noun
  • Someone who practices or advocates utilitarianism. 

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