nonuniversal vs unequal

nonuniversal

adj
  • Not universal. 

noun
  • That which is not universal. 

unequal

adj
  • Not the same. 

  • Out of balance. 

  • Inadequate; insufficiently capable or qualified. 

  • Erratic, inconsistent. 

noun
  • One who is not an equal. 

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