atypical vs nonuniversal

atypical

adj

  • Unusual or irregular. 

  • Not conforming to the normal type. 

noun

  • An atypical antipsychotic. 

nonuniversal

adj

  • Not universal. 

noun

  • That which is not universal. 

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