nonradical vs unoppressive

nonradical

adj

  • Not radical. 

noun

  • One who is not a radical. 

  • That which is not a radical (group of atoms that function as a unit in reactions). 

unoppressive

adj

  • Not oppressive. 

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