injurious vs symbiotic

injurious

adj
  • Causing physical harm or injury; harmful, hurtful. 

  • Causing harm to one's reputation; invidious, defamatory, libelous, slanderous. 

symbiotic

noun
  • symbiotic star 

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

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

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